Average Weather in May in Hill Air Force Base Utah, United States
Daily high temperatures increase by 10°F, from 64°F to 74°F, rarely falling below 51°F or exceeding 86°F.
Daily low temperatures increase by 8°F, from 45°F to 54°F, rarely falling below 36°F or exceeding 63°F.
For reference, on July 26, the hottest day of the year, temperatures in Hill Air Force Base typically range from 67°F to 90°F, while on January 2, the coldest day of the year, they range from 23°F to 33°F.
Average High and Low Temperature in May
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in May
Bucharest, Romania (5,987 miles away); Doğanşehir, Turkey (6,651 miles); and Yeghegnadzor, Armenia (6,677 miles) are the far-away foreign places with temperatures most similar to Hill Air Force Base (view comparison).
The month of May in Hill Air Force Base experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 47% to 39%.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 61% of the time.
For reference, on March 3, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 55%, while on August 19, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 79%.
Cloud Cover Categories in May
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Hill Air Force Base, the chance of a wet day over the course of May is decreasing, starting the month at 26% and ending it at 21%.
For reference, the year's highest daily chance of a wet day is 26% on April 30, and its lowest chance is 7% on July 4.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Hill Air Force Base is essentially constant, remaining about 1.6 inches throughout, and rarely exceeding 3.3 inches or falling below 0.4 inches.
The highest average 31-day accumulation is 1.8 inches on May 10.
Average Monthly Rainfall in May
Over the course of May in Hill Air Force Base, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 56 minutes, implying an average daily increase of 1 minute, 52 seconds, and weekly increase of 13 minutes, 6 seconds.
The shortest day of the month is May 1, with 13 hours, 59 minutes of daylight and the longest day is May 31, with 14 hours, 55 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Hill Air Force Base is 6:25 AM on May 1 and the earliest sunrise is 28 minutes earlier at 5:58 AM on May 31.
The earliest sunset is 8:24 PM on May 1 and the latest sunset is 29 minutes later at 8:53 PM on May 31.
Daylight saving time is observed in Hill Air Force Base during 2019, but it neither starts nor ends during May, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:55 AM and sets 15 hours, 8 minutes later, at 9:03 PM, while on December 22, the shortest day of the year, it rises at 7:50 AM and sets 9 hours, 13 minutes later, at 5:02 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Hill Air Force Base is essentially constant during May, remaining around 0% throughout.
For reference, on July 17, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in May
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Hill Air Force Base is essentially constant during May, remaining within 0.2 miles per hour of 5.8 miles per hour throughout.
For reference, on March 30, the windiest day of the year, the daily average wind speed is 6.5 miles per hour, while on January 2, the calmest day of the year, the daily average wind speed is 5.1 miles per hour.
The lowest daily average wind speed during May is 5.6 miles per hour on May 28.
Average Wind Speed in May
Wind Direction in May
The growing season in Hill Air Force Base typically lasts for 6.4 months (197 days), from around April 15 to around October 29, rarely starting before March 20 or after May 7, and rarely ending before October 12 or after November 15.
The month of May in Hill Air Force Base is more likely than not fully within the growing season, with the chance that a given day is in the growing season increasing from 82% to 100% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in May
The average accumulated growing degree days in Hill Air Force Base are increasing during May, increasing by 291°F, from 170°F to 461°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Hill Air Force Base is increasing during May, rising by 1.0 kWh, from 6.6 kWh to 7.6 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of Hill Air Force Base are 41.111 deg latitude, -111.977 deg longitude, and 4,596 ft elevation.
The topography within 2 miles of Hill Air Force Base contains significant variations in elevation, with a maximum elevation change of 541 feet and an average elevation above sea level of 4,702 feet. Within 10 miles contains significant variations in elevation (5,463 feet). Within 50 miles also contains extreme variations in elevation (7,185 feet).
The area within 2 miles of Hill Air Force Base is covered by shrubs (41%), artificial surfaces (29%), and cropland (20%), within 10 miles by cropland (28%) and artificial surfaces (22%), and within 50 miles by shrubs (38%) and water (19%).
This report illustrates the typical weather in Hill Air Force Base year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Hill Air Force Base.
For each station, the records are corrected for the elevation difference between that station and Hill Air Force Base according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Hill Air Force Base is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Hill Air Force Base and a given station.
Time zones for aiports and weather stations are provided by AskGeo.com .