Average Weather in October in Perham Minnesota, United States
Daily high temperatures decrease by 15°F, from 61°F to 46°F, rarely falling below 31°F or exceeding 74°F.
Daily low temperatures decrease by 12°F, from 43°F to 31°F, rarely falling below 19°F or exceeding 53°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 October
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on October. 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 October
The month of October in Perham experiences increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 42% to 52%.
The clearest day of the month is October 1, with clear, mostly clear, or partly cloudy conditions 58% 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 October
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 October is very rapidly decreasing, starting the month at 21% and ending it at 13%.
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.
Over the course of October in Perham, the chance of a day with only rain decreases from 21% to 11%, 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 October
The average sliding 31-day rainfall during October in Perham is rapidly decreasing, starting the month at 2.2 inches, when it rarely exceeds 4.3 inches or falls below 0.6 inches, and ending the month at 1.1 inches, when it rarely exceeds 2.8 inches or falls below 0.2 inches.
Average Monthly Rainfall in October
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during October in Perham is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.4 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in October
Over the course of October in Perham, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 35 minutes, implying an average daily decrease of 3 minutes, 11 seconds, and weekly decrease of 22 minutes, 14 seconds.
The shortest day of the month is October 31, with 10 hours, 6 minutes of daylight and the longest day is October 1, with 11 hours, 41 minutes of daylight.
Hours of Daylight and Twilight in October
The earliest sunrise of the month in Perham is 7:20 AM on October 1 and the latest sunrise is 42 minutes later at 8:02 AM on October 31.
The latest sunset is 7:01 PM on October 1 and the earliest sunset is 54 minutes earlier at 6:08 PM on October 31.
Daylight saving time is observed in Perham during 2018, but it neither starts nor ends during October, 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 and Daylight Saving Time in October
The chance that a given day will be muggy in Perham is essentially constant during October, remaining around 0% 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 October
The average hourly wind speed in Perham is essentially constant during October, remaining within 0.1 miles per hour of 12.0 miles per hour throughout.
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.
The highest daily average wind speed during October is 12.2 miles per hour on October 19.
Average Wind Speed in October
Wind Direction in October
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 October in Perham, the chance that a given day is within the growing season is very rapidly decreasing falling from 54% to 2% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in October
The average accumulated growing degree days in Perham are gradually increasing during October, increasing by 72°F, from 2,153°F to 2,225°F, over the course of the month.
Growing Degree Days in October
The average daily incident shortwave solar energy in Perham is decreasing during October, falling by 1.5 kWh, from 3.8 kWh to 2.3 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in October
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 .