Phoenix has the hottest climate of all major U.S. cities. Humidity Levels in the Summer in Phoenix When it is 100 degrees F or higher, the humidity level recorded for the past hundred years was in the neighborhood of 45 percent. Maximums and minimums are only part of the temperature picture. Up to 2 feet of snow to bury New England this weekend. The spring and fall months are generally dry, although precipitation in substantial amounts has fallen occasionally during every month of the year. Arizona’s climate is arid and semi-arid, with average annual precipitation ranging from 3 inches in the southwest at Yuma to around 40 inches in the White Mountains in east central Arizona.The southwestern desert is hot, with winter daytime temperatures in the lower 60s and summer daytime temperatures between 105 and 115 F.Nighttime temperatures on the desert drop slightly below freezing in the … Next, in your own words tell the ‘story’ of what is happening to Phoenix’s water … At an elevation of about 1100 feet, the station is in a level or gently sloping valley running east and west. Greatest number of consecutive months with average temperature above normal: 38 Months from January 1988 through February 1991. The first occurs during the winter months from November through March when the area is subjected to occasional storms from the Pacific Ocean. In July, the warmest month, the average day time temperature rises to … To the north and west of the gravity flow irrigated district, there is considerable agricultural land irrigated by pump water. Rights. Phoenix & Yuma May 2020 Climate Data. WeatherTAB Phoenix, Arizona Help °C °F. Weather history for places in Arizona. Tucson, AZ: Phoenix, AZ: United States Rainfall: 12: 9: 38 Snowfall: 0: 0: 28 Precipitation: 52: 33: 106 Sunny: 286: 299: 205 Avg. Click the red dot to view location information climate graphs for Phoenix. 73.3°F. We chose six different relatively sophisticated statistical techniques to analyze the time series patterns in the atmospheric moisture data. National Weather Service Forecast Office, Phoenix, Arizona. The climate of a location is the synthesis of several elements. The US average is 28 inches of snow per year. The Weather Bureau returned again to this station in January 1939 and has managed the station ever since that time. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. Ariz Days & Ways. This curve lags the curves for ETR (A), that of clear-day receipts (C), and that for averaged receipts (D). English. Climate Impacts in the Southwest. Average climate in Phoenix, Arizona. OK ... Graphs; Climate Finder; Travel Planner; Sport. The starting point for official government weather forecasts, warnings, meteorological products for forecasting the … The climate of a location is the synthesis of several elements. The warmest month in Phoenix Sky HAir Reserve Baseor International, Phoenix, Arizona is July with an average high temperature of 107.1°F. Data in this revision are for the period January 1, 1896 through December 31, 1995. Nighttime temperatures frequently drop below freezing during the three coldest months, but the afternoons are usually sunny and warm. The Phoenix table is annotated to help you find the information to enter in Data Table 1. 68 ° 41 ° 5. Phoenix Weather: Check the latest Phoenix Arizona weather forecast and current temperatures from azcentral.com. By November, the mild winter season is definitely established in the Salt River Valley region. The average high and low temperatures are listed below by month and annually for Phoenix, in both degrees Fahrenheit and Celsius. The increased water vapor in the atmosphere is due to a shift in the winds from a predom­inantly westerly direction to a southerly direction, the so-called “Arizona Monsoon”. Just as an increase in wind makes the cold air more unbearable, so does an increase in the moisture content of the air make the high summer temperatures more uncomfortable. The climate here is classified as BWh by the Köppen-Geiger system. Humidity: 42%. Sign up for our email newsletter by entering your email address. Nov December 2020 . The numbers here describe what the weather in Phoenix, Arizona was like for every year since 2010. Created with Highcharts 3.0.9. These winds generally come from a northeasterly to southeasterly direction. Temperature; Minimum Temperature: 82.0 °F. Share: See Historical Weather Data for a Location and Date. We chose relative humidity and dew point temperatures for statistical analysis. This website uses cookies. Mean Dew Point: 39.4 °F. Monthly rainfall accumulation in Phoenix for all Septembers on record since 1933 (turquoise bars) compared to the September 8, 2014, one-day total. 86.4°F. The writer is gratefully indebted to Mr. Harold C. Bulk, former Assistant State Climatologist, Office of Climatology, Arizona State University, for his article, “An Overview of Phoenix Climate”. Average Weather in Phoenix. The valley floor, in general, is rather free of strong wind. ARIZONA index of climate charts. Dec. 43.5°F. Bulletin American Meteorological Society, 41, 79-87. The numbers here tell you how hot and cold the weather usually is in Phoenix, Arizona during each month of the year. Toggle navigation. January February March April May June July August September October November December; Average Monthly high in °F: 70° 75° 80° 87° 95° 104° 107° 106° 101° 90° 77° 69° Average Monthly low in °F: 46° 49° 53° 58° 65° 73° 81° 81° 75° 64° 52° 46° Average Snow/Rain (Precip.) Areas with milder temperatures around the edges of the valley are utilized by these crops. This is due primarily to the thermal lag of the earth. Another cyclical pattern showed maxima in 1917 and 1962, and minima in 1939 and 1984. 71 ° 46 ° 2. The chart also gives the heat syndrome for each classification. Records had been kept in Phoenix by the Signal Service beginning on January 28, 1876, and Signal Service personnel continued to take observations until they transferred the station on the corner of Center and Washington Streets to the Weather Bureau on August 6, 1895. By Robert C. Balling, Jr., and Sandra W. Brazel Clouds reflect a substantial portion of the solar energy. ! Phoenix weather statistics; Hottest month: July: 40.9 °C 105.6 °F: Driest month: June: 2 mm 0.1 ins: Sunniest month: June: 14.5 hrs: Coldest month: January: 18.7 °C 65.7 °F: Wettest month: August: 29 mm 1.1 ins: Warmest sea: August: 22.2 °C 72 °F Climate in Phoenix, Arizona. About half of Arizona is semiarid, one-third is arid, and the remainder is humid. 8.03 inch The record high temperature for the state is 128°F recorded at Lake Havasu City on June 29, 1994, while the record low temperature was -40°F at Hawley Lake on January 7, 1971. The change from the heat of summer to the mild winter temperatures usually occurs during October. City: Home; Forecasts. Phoenix: Arizona Department of Environmental Quality] Also, Arizona seeks to advance clean energy within the state and utilize more renewable energy. R. Durrenberger, Editor, Tempe, Arizona, Laboratory of Climatology. Phoenix, Arizona gets 9 inches of rain, on average, per year. Curve B is the average daily temperature at Phoenix. This law provided for “the distribution of meteorological information in the interest of agriculture and commerce…” as one of the Weather Bureau’s major functions. Journal Title. The continued depression of the averaged receipts of solar energy into August is due to the increased water vapor in the atmosphere (curve F, from Reitan, 1960). Arizona Climate Arizona’s climate is arid and semi-arid, with average annual precipitation ranging from 3 inches in the southwest at Yuma to around 40 inches in the White Mountains in east central Arizona.The southwestern desert is hot, with winter daytime temperatures in the lower 60s and summer daytime temperatures between 105 and 115 F.Nighttime temperatures […] That's no mirage. The Superstition Mountains are approximately 35 miles to the east and rise to 5000 feet MSL. The temporal variations of several of these elements is shown in the graph on the following page. climate - Graph - Phoenix Arizona - WeatherOnline. The selection of the U.S. Army Signal Service to take such observations was dictated by the availability of communications facilities which the Signal Service had developed during the Civil War and were continuing to develop for protection against the Indians after the war. Although the dry bulb temperatures may be depressed during this period, the “sensible temperatures” seem higher due to the increased humidity of the air. Rainfall plays a significant role in that a portion of the solar energy reaching the ground is used to evaporate moisture. The wettest month by average rainfall in Phoenix, AZ is January with an average of 1.6 inches of rain falling on 4 to 5 days.Although in July it typically rains on more days with 1.2 inches falling in 5 to 6 days. All of our statistics from each month indicated a strong downward trend in the relative humidity levels. Monthly: 1981-2010 normals. Using the temperature and humidity, the heat index can be arrived at by using the graph. The Salt River runs from east to west through the valley, but, owing to impounding dams upstream, it is usually dry. Click on each of the measures in the key to toggle them on and off. On October 21, 1936, it moved to the Federal Building at Central and Fillmore where it stayed until it was closed on october 22, 1953. The temporal variations of several of these elements is shown in the graph on the following page. The year 2014 was the hottest on record, with a statewide average annual temperature of 62.3°F, about 3°F above the long-term average. Temperatures vary greatly from place to place, season to season, and day to night. Read about how we use cookies. Curve C represents the amount of energy that can reach Phoenix on a clear, dry day. Average precipitation in : Av. Throughout the year there are periods, often several days in length, in which winds remain under 10 miles per hour. High Temp: 68 °F. Article Date. The largest county in Arizona by population count is Maricopa County, which is home to 4.1 million of the state's 6.9 million people. Graph by NOAA Climate.gov, based on monthly precipitation data from the National Climatic Data Center and preliminary 2014 September-to-date data from the Phoenix National Weather Service. The Basin and Range region has the arid and semiarid subtropical climate that attracts most winter visitors and new residents. The warmest month in Luke Air Force Base, Phoenix, Arizona … The Bureau directed its attention mainly toward establishing a network of field stations. During December the overnight temperature drops to an average of 43.5°F with the lowest temperature of 25.0°F being recorded on November 20 1985. The amounts vary from nearly a thousand Langleys (1 Langley = 1 calorie per square centimeter) on the day of the Summer Solstice to about 400 Langleys on the day of the Winter Solstice. Below is a Sample Water Budget graph below for Phoenix, Arizona, which has a similar climate to Las Vegas, Nevada. At the 5000-foot level, they fall into the hot, and in the lower deserts, they are in the very hot area of the graph. PHOENIX - CLIMATE. Summer thunder­showers seldom occur in the valley before evening. Weather reports from August 2019 in Phoenix, Arizona, USA with highs and lows In May, October, and November, our statistical procedures indicated that the variations in the data were random; however, some form of non-random variation appeared to exist in the June dew points. More is absorbed by water vapor in the air, and even the atmosphere itself will scatter a portion of the solar energy back to space as well as absorb a portion. Current Hazards. » Arizona. The summary climate graph for Phoenix, AZ shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. The temperature of the air is probably the element that most people are aware of. (Phoenix, Arizona - AZ, USA) The city of Phoenix is situated on the northern side of the Sonoran Desert and in the center of the Salt River Valley. precipitation in NOAA, EDIS, Asheville, North Carolina, 1971-1980. An Overview of Phoenix Climate. climate - Graph - Phoenix Arizona - WeatherOnline. The driest month in Phoenix, AZ is June with an average of 0.2 inches of rain falling on 1 to 2 days. Article . 65.0°F. This is significantly worse than average. The summary climate graph for Phoenix, AZ shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. OK Comments Membership info Register new Login. The prevailing climate in Sierra Vista is known as a local steppe climate. The winters are mild. An Overview of Phoenix Climate. Explore Arizona's climate threats: extreme heat, drought, and wildfires. During the spring months southwest and west winds predominate and are associated with the passage of low-pressure troughs. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. The Phoenix lies on 328m above sea level Phoenix is considered to have a desert climate. Station Data. During July and August, there is an increase in humidity, and there is often considerable afternoon and evening cloudiness associated with cumulus clouds building up over the nearby mountains. Also shown is the ten-year average daily precipitation at Phoenix (curve G). Average daily temperatures at Yuma, in the southwestern desert range from 43° to 67°F (6° to 19°C) in January, and from 81° to 106°F (27° to 41°C) in July. The most important is the receipt of solar energy, for solar energy is the force that drives most of the other climatic elements. For example, if the temperature is 0_F and the wind is 5 mph, the wind-chill factor is -5_F; at 10 mph, it is -22_F; and at 20 mph it is -39_F. Most of the typical sunny summer days in the high country of Arizona fall into the very warm category. Since the 1950s, the snowpack has been decreasing in Arizona, as well as most mountainous areas in the Colorado River Basin. The temperature of the air is probably the element that most people are aware of. During the winter months, the temperature is marginal for some types of crops. Speaking of weather. The central floor of the Salt River Valley is irrigated by water from dams built on the Salt River system. Phoenix averages 0 inches of snow per year. Mean Temp: 57 °F. Climate and average weather for Oro Valley (Arizona), United States of America displayed in graphs. The annual rainfall is 387 mm | 15.2 inch. More Climate Data Phoenix. Arizona Climate Home: US Climate Graphs: Arizona. Phoenix gets some kind of precipitation, on average, 33 days per year. By knowing the temperature and dew point, the humidity can be determined. Get the forecast. The Phoenix Mountains lie 8 miles to the north with SquawPeak rising to 2600 feet MSL. The Salt River Mountains, or South Mountains as they are commonly called, are located 6 miles to the south and rise to 2600 feet MSL. The flattening of the temperature curve during August is due to the energy absorbed by the enhanced rainfall during that time. Enter any city, zip or place. Phoenix weather conditions, average/minimum/maximum temperature, humidity variation graphs. The prolonged summer head with maximum temperatures generally between 105 and 110 degrees in the Phoenix area causes some degree of fatigue in most people. In Phoenix, the summers are sweltering and dry, the winters are cool, and it is mostly clear year round. March 11, 1956. There are no active watches, warnings or advisories, Current Watches, Warnings and Advisories for Arizona Issued by the National Weather Service, ELEVATION OF GROUND AT WIND VANE AND ANEMOMETER. Temperatures vary greatly from place to place, season to season, and day to night. Another Act of Congress, on June 10, 1872, extended these services throughout the entire United States. Phoenix current conditions, weather forecast and climate chart (temperature and humidity). Average Weather Data for Phoenix, Arizona . Select a State . Phoenix, Arizona gets 9 inches of rain, on average, per year. These techniques basically search for “climatic signals” that may be contained in the “noisy” variance patterns in our data. It’s not just for highs, though. Reset Map, or Add PWS. The temporal variations of several of these elements is shown in the graph on the following page. Calendar overview of Months Weather Forecast. Weather Facts; Wind of the World; Climate of the World; Weather Lore; Title. Clearly dew points are not rising in Phoenix. Nearby Weather Stations. January Climate & Weather Averages in Phoenix. Phoenix Climate graph 5. Figure 1. (Rosendahl, 1976). Phoenix is located in about the center of the Salt River Valley, a broad, oval-shaped, nearly flat plain. the winter. Dew Point: 32 °F. Toggle navigation. Yet air temperature is the result of many other climatic elements. The large drop in energy receipt during July is directly traceable to the increase in cloudiness (curve E) during this period. They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. The term “Heat Index” is an apparent temperature based on the actual temperature and the amount of moisture in the air. The climate of a location is the synthesis of several elements. Click on each of the measures in the key to toggle them on and off. Arizona Water issues 5. On average, there are 299 sunny days per year in Phoenix. During the year, there is virtually no rainfall in Phoenix. Current Outlooks; Skywarn; Detailed Hazards; Daily Briefing ; Local Storm Reports; Current Conditions. That decreases snowpack—the amount of snow that accumulates over . Sailing; Golf; Wimbledon; Tour Weather; FIFA 2018; Winter Sports; Extra. In July 1965 the Weather Bureau was incorporated as an integral part of the Environmental Science Services Administration (ESSA). The climate is of a desert type with low annual rainfall and low relative humidity. Phoenix, AZ Monthly Weather. Below is a Sample Water Budget graph below for Phoenix, Arizona, which has a similar climate to Las Vegas, Nevada. Temperature. CLIMATE CHARTS Phoenix Sky Harbor Intl Ap, Arizona Latitude: 33.4278 Longitude: -112.0039 Elevation: 1107 feet (337.4 meters) Many local residents believe that irrigated landscaping, swimming pools, and lakes and canals in new housing developments around the city are forcing moisture levels noticeably upward. Arizona does not observe Daylight Savings Time, so while the days do get shorter, it does not seem artificial like in other locations. Find the best time to go to Tucson (Arizona). The average high and low temperatures are listed below by month and annually for Phoenix, in both degrees Fahrenheit and Celsius. By Harold Bulk, Office of Climatology, Arizona State University. The population of Arizona is concentrated around Phoenix, the state capital, and Tucson, the second largest city in the state. United States Environmental Protection Agency. The normal temperature change from the beginning to the end of this month is the greatest of any of the twelve months in central Arizona. Several elements email newsletter by entering your email address has fallen occasionally during every month of the and! People are aware of is due to clouds is also apparent during winter. Of moisture in the key to toggle them on and off precipitation seasons Department. 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