The yearly averages are based on the averages of the twelve months. 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. For reference, on July 5, the hottest day of the year, temperatures in . Three years later in June 1916, the office moved to the Water Users Building on the southeast corner of2nd Avenueand Van Buren. Please select one of the following: Experimental Graphical Hazardous Weather Outlook, Local KIWA Standard Radar (low bandwidth), Local KYUX Standard Radar (low bandwidth), Regional Standard Radars (Southern Rockies) (low bandwidth), Phoenix NWS Watch, Warning, Advisory Product Criteria, National Oceanic and Atmospheric Administration. Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. The Phoenix temperatures were extremely hot due to a lack of rain that summer. But, since it is a little further north, they have just slightly cooler temperatures. These are the times of the year that most people enjoy the outdoors. National Weather Service Forecast Office,Phoenix,Arizona. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. Weather.com brings you the most accurate monthly weather forecast for Phoenix, AZ with average/record and high/low temperatures, precipitation and more. National Oceanic and Atmospheric Administration Is Arizona heat unbearable? In October 1970, the name was changed to the National Weather Service, and it became an integral part of the National Oceanic and Atmospheric Administration (NOAA). Questions? However, summers are a different story. There are two separate rainfall seasons. The tourism score favors clear, rainless days with perceived temperatures between 65F and 80F. Currently: 50 F. This report illustrates the typical weather in Phoenix, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. . Local Climatological Data, Monthly forPhoenix,Arizona. The shaded overlays indicate night and civil twilight. NWS It features all historical weather data series we have available, including the Phoenix temperature history for 2022. Phoenix weather is slightly hotter than Las Vegas. Meanwhile, the development of air transportation and teletype communications in the 1920s and 1930s altered and redirected somewhat the purpose of the Weather Bureau as first defined by the law in 1890. Clear. The least muggy day of the year is March 5, when muggy conditions are essentially unheard of. Overnight, you will find lows in May around 70 degrees. It is apparent that only about 70% of the ETR reaches the surface under these conditions. Within 10 miles is essentially flat (1,722 feet). It remained there until September 1924 when it moved to theEllisBuildingat2nd AvenueandMonroe. A date with a plus sign beside it means it was that hot on at least one other day earlier that year. Here are the average temperatures. These winds generally come from a northeasterly to southeasterly direction. The first set of high and low temperatures are averages for 2010 to 2019. For instance the 1990s includes weather measurements from Jan 1, 1990 to Dec 31, 1999. The evenings also don't cool down too much these months, so you can still get up before the sunrises to start your hike or golf game without having to add too many layers. The hottest month of the year in Phoenix is July, with an average high of 106F and low of 85F. You may be wondering if you can feel the difference? They also have a dry heat, so the change in temperatures between the two is slight but can be significant the higher the temperatures are over 100. R.Durrenberger, Editor,Tempe,Arizona, Laboratory of Climatology. The chance of wet days in Phoenix varies throughout the year. June Weather in Phoenix. Is Arizona hotter than Florida? This is natures way of not allowing conditions to get entirely out of hand. The month with the least rain in Phoenix is June, with an average rainfall of 0.1 inches. During the spring months southwest and west winds predominate and are associated with the passage of low-pressure troughs. The clearest month of the year in Phoenix is June, during which on average the sky is clear, mostly clear, or partly cloudy 84% of the time. The year's hottest days are normally in late June through the first half of July. Showing: Weather by CustomWeather, 2022 The average high temperature in Phoenix now climbs to 91.9 degrees, with evening hours reaching 66.3 degrees. Arizona, United States. Another cyclical pattern showed maxima in 1917 and 1962, and minima in 1939 and 1984. Based on weather reports collected during 1985-2015. St . Another Act of Congress, on June 10, 1872, extended these services throughout the entireUnited States. Monthly averages Phoenix Longitude: -112.013, Latitude: 33.4311 Average weather Phoenix, AZ - 85034. July is the hottest and averages 106 daily. The hot season lasts for 3.7 months, from May 29 to September 20, with an average daily high temperature above 98F. Find additional information on the Phoenix weather in winter below. The Heat Index Graph, devised by the National Weather Service, uses temperature and humidity values to determine the heat index. The writer is gratefully indebted to Mr. Harold C. Bulk, former Assistant State Climatologist, Office of Climatology,ArizonaStateUniversity, for his article, An Overview of Phoenix Climate. Based on this score, the best times of year to visit Phoenix for general outdoor tourist activities are from early April to early June and from late September to early November, with a peak score in the last week of April. This is when the temperatures are a comfortable 70 to 90 degrees. NOAA, EDIS, Asheville, North Carolina, 1971-1980. Average low temperature is 83F (28C). However, the temperatures can vary significantly depending on the time of . The prolonged summer head with maximum temperatures generally between 105 and 110 degrees in thePhoenixarea causes some degree of fatigue in most people. However, the comparison isn't that easy for the reasons mentioned below. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. See more current weather Annual Weather Averages Near Phoenix Averages are for Phoenix Sky Harbor International Airport, which is 4 miles from Phoenix. . Okay, maybe two words - Hot & Dry! This is in good agreement with the above research project. The large drop in energy receipt during July is directly traceable to the increase in cloudiness (curve E) during this period. That's almost one third of the entire year with 100 degree days. The number of hours during which the Sun is visible (black line). The darkest month of the year in Phoenix is December, with an average of 3.2 kWh. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). What is the Phoenix weather in the Summer? This page gives the highest temperature for each year in Phoenix and the date that it happened. Again, that is impossible in freezing cold or a snow/sleet storm. The black isolines are contours of constant solar elevation. Daily total Horizontal Solar Energy Receipts, 1971-1980. Average temperature of Phoenix including average monthly and annual data. But you can't beat Phoenix those other 8 months of the year and we go back often. Also shown is the ten-year average daily precipitation atPhoenix(curve G). How cold does it get in the winter? San Francisco, CA warning 52 F Partly Cloudy. January 31, 2009 at 5:31 am . Vegas averages in the 99 to 104 range. But, since it is a little further north, they have just slightly cooler temperatures. For each station, the records are corrected for the elevation difference between that station and Phoenix according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. HIGHEST MAXIMUM AND LOWEST MINIMUM BY MONTHS AND DAY AND YEAR OF OCCURRENCE 1896-2008 Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 19% on August 4. This is also the time of year when you start to see those from the north make their annual migration to the south. The cloudiest month of the year in Phoenix is February, during which on average the sky is overcast or mostly cloudy 37% of the time. Phoenix, AZ: Temperature: Average First Date of Occurrence (1991-2020) Average Last Date of Occurrence (1991-2020) Earliest (1896-Present) Latest (1896-Present) 85 F: Mar 6: Based on this score, the best times of year to visit Phoenix for hot-weather activities are from late May to early July and from late August to early October, with a peak score in the second week of June. The hottest month of the year in Phoenix is July, with an average high of 106F and low of 85F. Weather Bureau was established, that development of reporting stations proceeded with cautious economy. This is due primarily to the thermal lag of the earth. (Rosendahl, 1976). The cool season lasts for 3.2 months, from November 21 to February 26, with an average daily high temperature below 74F. To characterize how pleasant the weather is in Phoenix throughout the year, we compute two travel scores. Sign up today for our monthly newsletter with tips to help you explore the best of Phoenix. During the winter months, the temperature is marginal for some types of crops. 50.0F. 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. In July, the warmest month, the average day time temperature rises to 104.2F. Our winters here are short and very mild. 86.7 F. The black line is the percentage chance that a given day is within the growing season. The flattening of the temperature curve during August is due to the energy absorbed by the enhanced rainfall during that time. The rainy period of the year lasts for 8.8 months, from July 9 to April 3, with a sliding 31-day rainfall of at least 0.5 inches. Total days per year on average when the temperature in Phoenix reached at least 70 or 90 F; Decade 70 F 21 C 90 F 32 C; 2010s: 311: 175: 2000s: 297: 176: 1990s: 294: 169: 1980s: 301: 173: 1970s: 294: 168: 1960s: 283: 162: 1950s: 294: 163 The dew point temperature is a better indicator of the amount of moisture in the air, which is the major contributor to human discomfort.
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