August weather forecastPentwater, MI
August
Weather in August
August, the last month of the summer in Pentwater, is a warm month, with temperature in the range of an average high of 73.6°F (23.1°C) and an average low of 63.9°F (17.7°C).Temperature
August is the warmest month, exhibiting average temperatures of 73.6°F (23.1°C) at the peak and 63.9°F (17.7°C) at the base.Humidity
In Pentwater, the average relative humidity in August is 78%.Rainfall
In Pentwater, in August, it is raining for 13.9 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 140.3 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Pentwater, Michigan, snow does not fall in June through September.Daylight
In Pentwater, Michigan, the average length of the day in August is 13h and 56min.On the first day of the month, sunrise is at 6:35 am and sunset at 9:08 pm. On the last day of August, sunrise is at 7:09 am and sunset at 8:22 pm EDT.
Sunshine
In Pentwater, the average sunshine in August is 10.2h.UV index
The average daily maximum UV index in August in Pentwater, Michigan, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Pentwater, MI
- Average high temperature in August: 73.6°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in August: 63.9°F
The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in August
Pentwater, MI
- Average pressure in August: 29.96"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
Pentwater, MI
- Average wind speed in August: 9.1mph
The windiest month (with the highest average wind speed) is November (13.1mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in August
Pentwater, MI
- Average humidity in August: 78%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in August
Pentwater, MI
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in August
Pentwater, MI
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in August
Pentwater, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Pentwater, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Pentwater, MI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in August: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in August
Pentwater, MI
- Average sunshine days in August: 14.5 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in August
Pentwater, MI
- Average UV index in August: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Pentwater, MI
- Average cloud cover in August: 26
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in August
Pentwater, 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).
