August weather forecastBrown Deer, WI
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Brown Deer, Wisconsin, with an average temperature fluctuating between 75.6°F (24.2°C) and 64.4°F (18°C).Temperature
As August takes its course, Brown Deer's average high-temperature registers at a still warm 75.6°F (24.2°C), closely aligning with the preceding month. During the month of August, Brown Deer experiences a steady low-temperature average of 64.4°F (18°C).Humidity
In Brown Deer, Wisconsin, the average relative humidity in August is 78%.Rainfall
In Brown Deer, in August, during 14.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 129.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August in Brown Deer is 13h and 54min.On the first day of the month, sunrise is at 5:43 am and sunset at 8:13 pm. On the last day of August, sunrise is at 6:15 am and sunset at 7:28 pm CDT.
Sunshine
July and August, with an average of 10.6h of sunshine, are months with the most sunshine in Brown Deer.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. 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
Brown Deer, WI
- Average high temperature in August: 75.6°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in August: 64.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in August
Brown Deer, WI
- Average pressure in August: 29.97"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Brown Deer, WI
- Average wind speed in August: 7.9mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in August
Brown Deer, WI
- Average humidity in August: 78%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Brown Deer, WI
- Average rainfall in August: 1.97"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in August
Brown Deer, WI
- Average rainfall days in August: 14.5 days
The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in August
Brown Deer, WI
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Brown Deer, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Brown Deer, WI
- 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: 10h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Brown Deer, WI
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in August
Brown Deer, WI
- 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 and December (UV index 1).
Average cloud cover in August
Brown Deer, WI
- Average cloud cover in August: 27
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in August
Brown Deer, WI
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
