Average Weather in May in Prescott Valley Arizona, United States
Daily high temperatures increase by 9°F, from 73°F to 82°F, rarely falling below 62°F or exceeding 90°F.
Daily low temperatures increase by 8°F, from 45°F to 53°F, rarely falling below 37°F or exceeding 61°F.
For reference, on July 3, the hottest day of the year, temperatures in Prescott Valley typically range from 63°F to 90°F, while on January 4, the coldest day of the year, they range from 28°F to 51°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
The month of May in Prescott Valley experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 23% throughout the month.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 78% of the time.
For reference, on February 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 42%, while on September 19, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 85%.
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 Prescott Valley, the chance of a wet day over the course of May is essentially constant, remaining around 5% throughout.
For reference, the year's highest daily chance of a wet day is 32% on August 4, and its lowest chance is 3% on June 13.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Prescott Valley is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 0.9 inches.
Average Monthly Rainfall in May
Over the course of May in Prescott Valley, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 43 minutes, implying an average daily increase of 1 minute, 26 seconds, and weekly increase of 10 minutes, 5 seconds.
The shortest day of the month is May 1, with 13 hours, 36 minutes of daylight and the longest day is May 31, with 14 hours, 19 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Prescott Valley is 5:38 AM on May 1 and the earliest sunrise is 21 minutes earlier at 5:17 AM on May 31.
The earliest sunset is 7:14 PM on May 1 and the latest sunset is 22 minutes later at 7:36 PM on May 31.
Daylight saving time is not observed in Prescott Valley during 2021.
For reference, on June 21, the longest day of the year, the Sun rises at 5:16 AM and sets 14 hours, 29 minutes later, at 7:45 PM, while on December 21, the shortest day of the year, it rises at 7:32 AM and sets 9 hours, 50 minutes later, at 5:22 PM.
Sunrise & Sunset with Twilight in May
The figure below presents a compact representation of key lunar data for May 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in May
The chance that a given day will be muggy in Prescott Valley is essentially constant during May, remaining around 0% throughout.
For reference, on August 3, the muggiest day of the year, there are muggy conditions 1% 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 Prescott Valley is essentially constant during May, remaining within 0.1 miles per hour of 8.4 miles per hour throughout.
For reference, on April 11, the windiest day of the year, the daily average wind speed is 8.6 miles per hour, while on August 12, the calmest day of the year, the daily average wind speed is 5.9 miles per hour.
Average Wind Speed in May
The hourly average wind direction in Prescott Valley throughout May is predominantly from the south, with a peak proportion of 43% on May 30.
Wind Direction in May
The growing season in Prescott Valley typically lasts for 6.6 months (202 days), from around April 11 to around October 30, rarely starting before March 18 or after May 2, and rarely ending before October 10 or after November 20.
The month of May in Prescott Valley is more likely than not fully within the growing season, with the chance that a given day is in the growing season increasing from 88% 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 Prescott Valley are increasing during May, increasing by 425°F, from 429°F to 855°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Prescott Valley is gradually increasing during May, rising by 0.7 kWh, from 7.8 kWh to 8.5 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 Prescott Valley are 34.610 deg latitude, -112.316 deg longitude, and 5,023 ft elevation.
The topography within 2 miles of Prescott Valley contains only modest variations in elevation, with a maximum elevation change of 328 feet and an average elevation above sea level of 4,991 feet. Within 10 miles contains only modest variations in elevation (3,212 feet). Within 50 miles contains large variations in elevation (7,674 feet).
The area within 2 miles of Prescott Valley is covered by shrubs (83%) and grassland (17%), within 10 miles by shrubs (59%) and grassland (23%), and within 50 miles by shrubs (72%) and trees (24%).
This report illustrates the typical weather in Prescott Valley, 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Prescott Valley.
For each station, the records are corrected for the elevation difference between that station and Prescott Valley 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 Prescott Valley is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Prescott Valley and a given station.
The stations contributing to this reconstruction are: Ernest A. Love Field (91%, 11 kilometers, northwest); Sedona Airport (8%, 56 kilometers, northeast); and Phoenix-Deer Valley Airport (1.7%, 105 kilometers, south).
Time zones for airports and weather stations are provided by AskGeo.com .