August weather forecastPosen, MI
August
Weather in August
The last month of the summer, August, is another pleasant month in Posen, Michigan, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 60.4°F (15.8°C).Temperature
Posen experiences its highest temperatures in August, with an average peak of 71.8°F (22.1°C) and a low of 60.4°F (15.8°C).Humidity
The average relative humidity in August is 78%.Rainfall
In Posen, in August, it is raining for 14.6 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Posen, there are 133.1 rainfall days, and 22.44" (570mm) of precipitation is accumulated.Snowfall
In Posen, snow does not fall in June through September.Daylight
In Posen, the average length of the day in August is 14h and 2min.On the first day of the month, sunrise is at 6:20 am and sunset at 9:01 pm. On the last day of August, sunrise is at 6:56 am and sunset at 8:13 pm EDT.
Sunshine
In Posen, the average sunshine in August is 10h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Posen. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 in August translates into these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Posen, MI
- Average high temperature in August: 71.8°F
The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in August: 60.4°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in August
Posen, MI
- Average pressure in August: 29.95"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Posen, MI
- Average wind speed in August: 8.6mph
The windiest months (with the highest average wind speed) are January and December (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in August
Posen, MI
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in August
Posen, MI
- Average rainfall in August: 2.01"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in August
Posen, MI
- Average rainfall days in August: 14.6 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in August
Posen, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Posen, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Posen, MI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in August: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in August
Posen, MI
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in August
Posen, MI
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in August
Posen, MI
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Posen, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





