Average Weather in May in Perham Minnesota, United States
Daily high temperatures increase by 10°F, from 61°F to 71°F, rarely falling below 46°F or exceeding 82°F.
Daily low temperatures increase by 11°F, from 40°F to 51°F, rarely falling below 30°F or exceeding 61°F.
For reference, on July 19, the hottest day of the year, temperatures in Perham typically range from 61°F to 80°F, while on January 15, the coldest day of the year, they range from 2°F to 18°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 Perham experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 51% to 46%.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 54% of the time.
For reference, on February 5, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 65%, while on July 31, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.
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 Perham, the chance of a wet day over the course of May is very rapidly increasing, starting the month at 25% and ending it at 33%.
For reference, the year's highest daily chance of a wet day is 41% on June 29, and its lowest chance is 6% on February 3.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Perham is rapidly increasing, starting the month at 2.1 inches, when it rarely exceeds 3.8 inches or falls below 0.8 inches, and ending the month at 3.4 inches, when it rarely exceeds 5.3 inches or falls below 1.6 inches.
Average Monthly Rainfall in May
Over the course of May in Perham, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 10 minutes, implying an average daily increase of 2 minutes, 19 seconds, and weekly increase of 16 minutes, 15 seconds.
The shortest day of the month is May 1, with 14 hours, 24 minutes of daylight and the longest day is May 31, with 15 hours, 34 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Perham is 6:07 AM on May 1 and the earliest sunrise is 34 minutes earlier at 5:33 AM on May 31.
The earliest sunset is 8:31 PM on May 1 and the latest sunset is 35 minutes later at 9:07 PM on May 31.
Daylight saving time is observed in Perham during 2018, 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 5:28 AM and sets 15 hours, 50 minutes later, at 9:19 PM, while on December 21, the shortest day of the year, it rises at 8:03 AM and sets 8 hours, 34 minutes later, at 4:37 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Perham is essentially constant during May, remaining within 1% of 1% throughout.
For reference, on July 19, the muggiest day of the year, there are muggy conditions 22% of the time, while on October 27, 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 Perham is decreasing during May, decreasing from 12.6 miles per hour to 11.3 miles per hour over the course of the month.
For reference, on April 1, the windiest day of the year, the daily average wind speed is 13.2 miles per hour, while on August 1, the calmest day of the year, the daily average wind speed is 9.5 miles per hour.
Average Wind Speed in May
Wind Direction in May
The growing season in Perham typically lasts for 5.0 months (152 days), from around May 3 to around October 2, rarely starting before April 16 or after May 20, and rarely ending before September 14 or after October 21.
During May in Perham, the chance that a given day is within the growing season is very rapidly increasing rising from 43% to 99% 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 Perham are increasing during May, increasing by 230°F, from 83°F to 313°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Perham is gradually increasing during May, rising by 0.9 kWh, from 5.8 kWh to 6.6 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 Perham are 46.594 deg latitude, -95.573 deg longitude, and 1,358 ft elevation.
The topography within 2 miles of Perham is essentially flat, with a maximum elevation change of 72 feet and an average elevation above sea level of 1,361 feet. Within 10 miles is essentially flat (246 feet). Within 50 miles contains only modest variations in elevation (1,086 feet).
The area within 2 miles of Perham is covered by cropland (66%) and grassland (19%), within 10 miles by cropland (67%) and water (16%), and within 50 miles by cropland (59%) and trees (30%).
This report illustrates the typical weather in Perham 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Perham.
For each station, the records are corrected for the elevation difference between that station and Perham 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 Perham is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Perham and a given station.
The stations contributing to this reconstruction are: Wadena Municipal Airport (36%, 32 kilometers, southeast); Detroit Lakes Airport (31%, 36 kilometers, northwest); Park Rapids Municipal-Konshok Field Airport (18%, 51 kilometers, northeast); and Fergus Falls Municipal/Einar Mickelson Field (15%, 56 kilometers, southwest).
Time zones for aiports and weather stations are provided by AskGeo.com .