August weather forecastBlack River, MI
August
Weather in August
August, the last month of the summer in Black River, is another warm month, with an average temperature varying between 60.3°F (15.7°C) and 73.9°F (23.3°C).Temperature
The advent of August signifies a minor shift to an average high-temperature of a still warm 73.9°F (23.3°C), aligning closely with July. During August, the average low-temperature in Black River is a moderate 60.3°F (15.7°C).Humidity
The average relative humidity in August in Black River, Michigan, is 77%.Rainfall
In Black River, in August, it is raining for 12.2 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 119.4 rainfall days, and 13.9" (353mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Black River, the average length of the day in August is 14h and 1min.On the first day of the month, sunrise is at 6:20 am and sunset at 8:59 pm. On the last day of August, sunrise is at 6:55 am and sunset at 8:11 pm EDT.
Sunshine
In Black River, the average sunshine in August is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes 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 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Black River, MI
- Average high temperature in August: 73.9°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in August: 60.3°F
The month with the highest average low temperature is August (60.3°F).
The coldest months (with the lowest average low temperature) are January and February (18°F).
Average pressure in August
Black River, 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
Black River, MI
- Average wind speed in August: 8mph
The windiest months (with the highest average wind speed) are January and December (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in August
Black River, MI
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (73%).
Average rainfall in August
Black River, MI
- Average rainfall in August: 1.22"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in August
Black River, MI
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is October (14.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in August
Black River, MI
- Average snowfall in August: 0"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Black River, MI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Black River, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in August
Black River, MI
- Average sunshine days in August: 16.4 days
The month with the most sunshine days is May (17.8 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in August
Black River, 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
Black River, MI
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in August
Black River, 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).
