August weather forecastRock, MI
August
Weather in August
August, the last month of the summer in Rock, is also an agreeable month, with an average temperature fluctuating between 57.9°F (14.4°C) and 72.5°F (22.5°C).Temperature
With the onset of August, the average high-temperature stands at a still pleasant 72.5°F (22.5°C), closely aligned with July's 72.7°F (22.6°C). Throughout the month of August, Rock sees a steady low-temperature average of 57.9°F (14.4°C).Humidity
The average relative humidity in August is 81%.Rainfall
In Rock, Michigan, in August, during 15.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 139.7 rainfall days, and 24.17" (614mm) of precipitation is accumulated.Snowfall
In Rock, Michigan, snow does not fall in May through September.Daylight
The average length of the day in August is 14h and 5min.On the first day of August, sunrise is at 6:31 am and sunset at 9:18 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:28 pm EDT.
Sunshine
In Rock, the average sunshine in August is 9.5h.UV index
The months with the highest UV index in Rock are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rock, MI
- Average high temperature in August: 72.5°F
The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in August: 57.9°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure in August
Rock, MI
- Average pressure in August: 29.94"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
Rock, MI
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is November (11mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in August
Rock, MI
- Average humidity in August: 81%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Rock, MI
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in August
Rock, MI
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in August
Rock, MI
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Rock, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Rock, MI
- Average daylight in August: 14h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in August
Rock, MI
- Average sunshine days in August: 13.6 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in August
Rock, MI
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in August
Rock, MI
- Average cloud cover in August: 32
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Rock, MI
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
