May Weather in Platteville Colorado, United States
Daily high temperatures increase by 10°F, from 67°F to 77°F, rarely falling below 53°F or exceeding 89°F.
Daily low temperatures increase by 9°F, from 41°F to 50°F, rarely falling below 32°F or exceeding 56°F.
For reference, on July 13, the hottest day of the year, temperatures in Platteville typically range from 59°F to 89°F, while on December 30, the coldest day of the year, they range from 18°F to 41°F.
Average High and Low Temperature in May in Platteville
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 in Platteville
The month of May in Platteville experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 46% to 38%.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 62% of the time.
For reference, on March 4, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 47%, while on July 2, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.
Cloud Cover Categories in May in Platteville
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 Platteville, the chance of a wet day over the course of May is gradually increasing, starting the month at 25% and ending it at 27%.
For reference, the year's highest daily chance of a wet day is 28% on May 24, and its lowest chance is 7% on January 28.
Over the course of May in Platteville, the chance of a day with only rain increases from 23% to 27%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.
Probability of Precipitation in May in Platteville
The average sliding 31-day rainfall during May in Platteville is essentially constant, remaining about 1.8 inches throughout, and rarely exceeding 3.5 inches or falling below 0.5 inches.
The highest average 31-day accumulation is 1.9 inches on May 16.
Average Monthly Rainfall in May in Platteville
Over the course of May in Platteville, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 54 minutes, implying an average daily increase of 1 minute, 48 seconds, and weekly increase of 12 minutes, 33 seconds.
The shortest day of the month is May 1, with 13 hours, 56 minutes of daylight and the longest day is May 31, with 14 hours, 50 minutes of daylight.
Hours of Daylight and Twilight in May in Platteville
The latest sunrise of the month in Platteville is 5:58 AM on May 1 and the earliest sunrise is 26 minutes earlier at 5:32 AM on May 31.
The earliest sunset is 7:54 PM on May 1 and the latest sunset is 27 minutes later at 8:22 PM on May 31.
Daylight saving time is observed in Platteville during 2021, 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 5:30 AM and sets 15 hours, 2 minutes later, at 8:32 PM, while on December 21, the shortest day of the year, it rises at 7:18 AM and sets 9 hours, 18 minutes later, at 4:36 PM.
Sunrise & Sunset with Twilight in May in Platteville
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 in Platteville
The chance that a given day will be muggy in Platteville is essentially constant during May, remaining around 0% throughout.
For reference, on July 20, 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 in Platteville
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Platteville is gradually decreasing during May, decreasing from 8.2 miles per hour to 7.4 miles per hour over the course of the month.
For reference, on January 18, the windiest day of the year, the daily average wind speed is 9.7 miles per hour, while on August 19, the calmest day of the year, the daily average wind speed is 6.7 miles per hour.
Average Wind Speed in May in Platteville
The hourly average wind direction in Platteville throughout May is predominantly from the west, with a peak proportion of 33% on May 1.
Wind Direction in May in Platteville
The growing season in Platteville typically lasts for 5.3 months (161 days), from around April 29 to around October 7, rarely starting before April 9 or after May 17, and rarely ending before September 16 or after October 26.
The month of May in Platteville is more likely than not fully within the growing season, with the chance that a given day is in the growing season rapidly increasing from 54% to 100% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in May in Platteville
The average accumulated growing degree days in Platteville are increasing during May, increasing by 291°F, from 259°F to 549°F, over the course of the month.
Growing Degree Days in May in Platteville
The average daily incident shortwave solar energy in Platteville is gradually increasing during May, rising by 0.9 kWh, from 6.6 kWh to 7.5 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in May in Platteville
For the purposes of this report, the geographical coordinates of Platteville are 40.215 deg latitude, -104.823 deg longitude, and 4,810 ft elevation.
The topography within 2 miles of Platteville contains only modest variations in elevation, with a maximum elevation change of 223 feet and an average elevation above sea level of 4,839 feet. Within 10 miles contains only modest variations in elevation (522 feet). Within 50 miles contains significant variations in elevation (9,954 feet).
The area within 2 miles of Platteville is covered by cropland (62%), grassland (26%), and shrubs (12%), within 10 miles by cropland (51%) and grassland (39%), and within 50 miles by grassland (42%) and cropland (21%).
This report illustrates the typical weather in Platteville, 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 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Platteville.
For each station, the records are corrected for the elevation difference between that station and Platteville 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 Platteville is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Platteville and a given station.
The stations contributing to this reconstruction are: Erie Municipal (KEIK, 22%, 29 kilometers, southwest); Greeley-Weld County Airport (KGXY, 23%, 29 kilometers, northeast); Vance Brand Airport (KLMO, 22%, 30 kilometers, west); Fort Collins-Loveland Municipal Airport (KFNL, 21%, 31 kilometers, northwest); and Denver International Airport (KDEN, 11%, 45 kilometers, south).
Time zones for airports and weather stations are provided by AskGeo.com .