Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's advent notes a subtle adjustment in average high-temperature to a still warm 79.5°F (26.4°C) from July. The average temperature during August nights dips to a refreshing 61.3°F (16.3°C).Humidity
The average relative humidity in August is 79%.Rainfall
In Brook Mount, Iowa, in August, during 12.5 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Brook Mount, during the entire year, the rain falls for 97 days and collects up to 10.12" (257mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 51min.On the first day of the month, sunrise is at 6:14 am and sunset at 8:40 pm. On the last day of August, sunrise is at 6:46 am and sunset at 7:56 pm CDT.
Sunshine
In August, the average sunshine is 9.5h.UV index
The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures?
What is the average humidity in August?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Brook Mount have in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Brook Mount have in August?
What is the UV index intensity in August?
Average temperature in August
Brook Mount, IA
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in August: 61.3°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 (13.3°F).
Average pressure in August
Brook Mount, IA
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in August
Brook Mount, IA
- Average wind speed in August: 7.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in August
Brook Mount, IA
- Average humidity in August: 79%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).
Average rainfall in August
Brook Mount, IA
- Average rainfall in August: 1.1"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in August
Brook Mount, IA
- Average rainfall days in August: 12.5 days
The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in August
Brook Mount, IA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Brook Mount, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Brook Mount, IA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in August
Brook Mount, IA
- Average sunshine days in August: 16 days
The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in August
Brook Mount, IA
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in August
Brook Mount, IA
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in August
Brook Mount, IA
- 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).
Brook Mount, Iowa, USA
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