August weather forecastRoscommon, MI
August
Weather in August
August, the last month of the summer in Roscommon, is another warm month, with an average temperature fluctuating between 76.6°F (24.8°C) and 56.8°F (13.8°C).Temperature
The average high-temperature during August is a still warm 76.6°F (24.8°C), almost matching the conditions of the preceding month. Roscommon's nights in August experience an average temperature drop to a mild 56.8°F (13.8°C).Humidity
The average relative humidity in August in Roscommon is 78%.Rainfall
In August, in Roscommon, the rain falls for 13.6 days. Throughout August, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Roscommon, there are 131.5 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
In Roscommon, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 59min.On the first day of August, sunrise is at 6:26 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 8:16 pm EDT.
Sunshine
The average sunshine in August is 9.7h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 5 in August translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Roscommon, MI
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in August: 56.8°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in August
Roscommon, 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
Roscommon, MI
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Roscommon, MI
- Average humidity in August: 78%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in August
Roscommon, MI
- Average rainfall in August: 1.65"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in August
Roscommon, MI
- Average rainfall days in August: 13.6 days
The month with the highest number of rainy days is October (16.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in August
Roscommon, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Roscommon, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Roscommon, MI
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 9h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in August
Roscommon, MI
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in August
Roscommon, 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
Roscommon, MI
- Average cloud cover in August: 36
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Roscommon, MI
- Average visibility in August: 5mi
The months with the highest visibility are April, May, June and July (6mi).
The months with the lowest visibility are January and February (4mi).
