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 beginning signals an average high-temperature of a still warm 79.3°F (26.3°C), barely different from July's 80.6°F (27°C). Throughout the month of August, Millbrook sees a steady low-temperature average of 61.7°F (16.5°C).Humidity
July and August, with an average relative humidity of 84%, are the most humid months.Rainfall
In Millbrook, during August, the rain falls for 18.3 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Millbrook, during the entire year, the rain falls for 168.3 days and collects up to 35.47" (901mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Millbrook, the average length of the day in August is 13h and 48min.On the first day of August in Millbrook, sunrise is at 5:49 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:28 pm CDT.
Sunshine
The months with the most sunshine are June and August, with an average of 9.6h of sunshine.UV index
In Millbrook, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Millbrook?
What is the most humid month?
What is the average humidity in August?
How much does it rain in August?
When it does not snow in Millbrook?
What is the average length of the day in August?
When are sunrise and sunset in August?
What is the month with the most sunshine in Millbrook?
How many hours of sunshine does Millbrook have in August?
How high is the UV index in August?
Average temperature in August
Millbrook, IL
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in August
Millbrook, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Millbrook, IL
- Average wind speed in August: 6mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Millbrook, IL
- Average humidity in August: 84%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Millbrook, IL
- Average rainfall in August: 3.11"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in August
Millbrook, IL
- Average rainfall days in August: 18.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in August
Millbrook, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Millbrook, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Millbrook, IL
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 4min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Millbrook, IL
- Average sunshine days in August: 9.1 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in August
Millbrook, IL
- 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 December (UV index 1).
Average cloud cover in August
Millbrook, IL
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in August
Millbrook, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Millbrook, Illinois, USA
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