Average Weather in August in Winthrop Minnesota, United States
Daily high temperatures decrease by 4°F, from 82°F to 77°F, rarely falling below 68°F or exceeding 90°F.
Daily low temperatures decrease by 5°F, from 62°F to 58°F, rarely falling below 48°F or exceeding 71°F.
For reference, on July 18, the hottest day of the year, temperatures in Winthrop typically range from 63°F to 83°F, while on January 15, the coldest day of the year, they range from 8°F to 23°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
The month of August in Winthrop experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 29% throughout the month.
The clearest day of the month is August 1, with clear, mostly clear, or partly cloudy conditions 73% of the time.
For reference, on February 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 59%, while on July 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.
Cloud Cover Categories in August
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 Winthrop, the chance of a wet day over the course of August is essentially constant, remaining around 33% throughout.
For reference, the year's highest daily chance of a wet day is 41% on June 12, and its lowest chance is 7% on February 4.
Probability of Precipitation in August
The average sliding 31-day rainfall during August in Winthrop is essentially constant, remaining about 3.1 inches throughout, and rarely exceeding 5.3 inches or falling below 1.0 inches.
Average Monthly Rainfall in August
Over the course of August in Winthrop, 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, 22 minutes, implying an average daily decrease of 2 minutes, 44 seconds, and weekly decrease of 19 minutes, 5 seconds.
The shortest day of the month is August 31, with 13 hours, 17 minutes of daylight and the longest day is August 1, with 14 hours, 38 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Winthrop is 6:04 AM on August 1 and the latest sunrise is 35 minutes later at 6:38 AM on August 31.
The latest sunset is 8:42 PM on August 1 and the earliest sunset is 47 minutes earlier at 7:55 PM on August 31.
Daylight saving time is observed in Winthrop during 2018, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:32 AM and sets 15 hours, 34 minutes later, at 9:06 PM, while on December 21, the shortest day of the year, it rises at 7:50 AM and sets 8 hours, 49 minutes later, at 4:40 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Winthrop is rapidly decreasing during August, falling from 36% to 22% over the course of the month.
For reference, on July 20, the muggiest day of the year, there are muggy conditions 38% of the time, while on November 15, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in August
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Winthrop is increasing during August, increasing from 8.6 miles per hour to 9.6 miles per hour over the course of the month.
For reference, on April 9, the windiest day of the year, the daily average wind speed is 12.8 miles per hour, while on August 2, the calmest day of the year, the daily average wind speed is 8.6 miles per hour.
The lowest daily average wind speed during August is 8.6 miles per hour on August 2.
Average Wind Speed in August
Wind Direction in August
The growing season in Winthrop typically lasts for 5.3 months (162 days), from around April 25 to around October 4, rarely starting before April 6 or after May 15, and rarely ending before September 15 or after October 23.
The month of August in Winthrop is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in August
The average accumulated growing degree days in Winthrop are rapidly increasing during August, increasing by 586°F, from 1,680°F to 2,266°F, over the course of the month.
Growing Degree Days in August
The average daily incident shortwave solar energy in Winthrop is decreasing during August, falling by 1.1 kWh, from 6.6 kWh to 5.6 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Winthrop are 44.543 deg latitude, -94.366 deg longitude, and 1,020 ft elevation.
The topography within 2 miles of Winthrop is essentially flat, with a maximum elevation change of 46 feet and an average elevation above sea level of 1,020 feet. Within 10 miles is essentially flat (128 feet). Within 50 miles contains only modest variations in elevation (755 feet).
The area within 2 miles of Winthrop is covered by cropland (97%), within 10 miles by cropland (99%), and within 50 miles by cropland (91%).
This report illustrates the typical weather in Winthrop 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 6 weather stations near enough to contribute to our estimation of the temperature and dew point in Winthrop.
For each station, the records are corrected for the elevation difference between that station and Winthrop 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 Winthrop is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Winthrop and a given station.
The stations contributing to this reconstruction are: New Ulm Municipal Airport (29%, 27 kilometers, southwest); Glencoe Municipal Airport (22%, 33 kilometers, northeast); Hutchinson Municipal Airport (20%, 35 kilometers, north); Mankato Regional Airport (11%, 51 kilometers, southeast); Redwood Falls Municipal Airport (10%, 57 kilometers, west); and Olivia Regional Airport (9%, 59 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .