August weather forecastGrand Blanc, MI
August
Weather in August
August, the last month of the summer in Grand Blanc, is another warm month, with an average temperature ranging between min 59.5°F (15.3°C) and max 77.4°F (25.2°C).Temperature
The arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 77.4°F (25.2°C) from July's 78.8°F (26°C). August witnesses an average nighttime temperature of 59.5°F (15.3°C) in Grand Blanc.Humidity
In August, the average relative humidity is 80%.Rainfall
In August, the rain falls for 14.8 days. Throughout August, 2.32" (59mm) of precipitation is accumulated. In Grand Blanc, Michigan, during the entire year, the rain falls for 155.7 days and collects up to 26.38" (670mm) of precipitation.Snowfall
June through September are months without snowfall in Grand Blanc.Daylight
In Grand Blanc, the average length of the day in August is 13h and 53min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:55 pm. On the last day of August, sunrise is at 6:58 am and sunset at 8:10 pm EDT.
Sunshine
The average sunshine in August in Grand Blanc is 9.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during August leads to these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grand Blanc, MI
- Average high temperature in August: 77.4°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in August: 59.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in August
Grand Blanc, MI
- Average pressure in August: 29.97"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
Grand Blanc, MI
- Average wind speed in August: 6.7mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in August
Grand Blanc, MI
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in August
Grand Blanc, MI
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are September and December (1.57").
Average rainfall days in August
Grand Blanc, MI
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in August
Grand Blanc, MI
- Average snowfall in August: 0"
The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Grand Blanc, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Grand Blanc, MI
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in August
Grand Blanc, MI
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in August
Grand Blanc, MI
- Average UV index in August: 5
The months with the highest UV index are May, 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
Grand Blanc, MI
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in August
Grand Blanc, MI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
