August weather forecastValley Island, MI
August
Weather in August
August, the last month of the summer in Valley Island, is another warm month, with an average temperature varying between 61.7°F (16.5°C) and 74.5°F (23.6°C).Temperature
August welcomes an average high-temperature of a still moderately hot 74.5°F (23.6°C), not much different from the preceding month. In Valley Island, August's nights observe an average temperature dip to a refreshing 61.7°F (16.5°C).Humidity
In August, the average relative humidity is 80%.Rainfall
In August, in Valley Island, the rain falls for 15.6 days. Throughout August, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 150.8 rainfall days, and 22.99" (584mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Valley Island, the average length of the day in August is 13h and 56min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:56 pm. On the last day of August, sunrise is at 6:56 am and sunset at 8:10 pm EDT.
Sunshine
In August, the average sunshine is 10.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during August translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Valley Island, MI
- Average high temperature in August: 74.5°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in August
Valley Island, 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 (29.93"Hg).
Average wind speed in August
Valley Island, MI
- Average wind speed in August: 8.1mph
The windiest months (with the highest average wind speed) are January and December (11.9mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in August
Valley Island, MI
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in August
Valley Island, MI
- Average rainfall in August: 2.44"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in August
Valley Island, MI
- Average rainfall days in August: 15.6 days
The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in August
Valley Island, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Valley Island, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Valley Island, 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 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in August
Valley Island, MI
- Average sunshine days in August: 12.4 days
The month with the most sunshine days is September (15 days).
The months with the least sunshine days are February and December (8.7 days).
Average UV index in August
Valley Island, 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 and December (UV index 1).
Average cloud cover in August
Valley Island, MI
- Average cloud cover in August: 29
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Valley Island, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
