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
The start of August sees the average high-temperature at a still moderately hot 79.2°F (26.2°C), showing little difference from July's 80.6°F (27°C). Throughout the month of August, Troy Grove expects an average low of 62.1°F (16.7°C).Humidity
In August, the average relative humidity is 84%.Rainfall
In Troy Grove, during August, the rain falls for 12.2 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Troy Grove, during the entire year, the rain falls for 107.9 days and collects up to 9.96" (253mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 47min.On the first day of August in Troy Grove, sunrise is at 5:51 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:30 pm CDT.
Sunshine
The months with the most sunshine are June through August, with an average of 9.5h of sunshine.UV index
In August, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 during August translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Troy Grove in August?
What is the average humidity in August?
How many days does it rain in August in Troy Grove?
When it does not snow?
How many hours of daylight does Troy Grove have in August?
When are sunrise and sunset in August?
What is the month with the most sunshine?
How many hours of sunshine does Troy Grove have in August?
How high is the UV index in August?
Average temperature in August
Troy Grove, IL
- Average high temperature in August: 79.2°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 (28.6°F).
- Average low temperature in August: 62.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in August
Troy Grove, 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 (29.91"Hg).
Average wind speed in August
Troy Grove, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Troy Grove, IL
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Troy Grove, IL
- Average rainfall in August: 0.87"
The wettest month (with the highest rainfall) is May (1.42").
The driest months (with the least rainfall) are January, February, November and December (0.51").
Average rainfall days in August
Troy Grove, IL
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in August
Troy Grove, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Troy Grove, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.6 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
Troy Grove, 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 3min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Troy Grove, IL
- Average sunshine days in August: 15.3 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in August
Troy Grove, 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
Troy Grove, IL
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in August
Troy Grove, IL
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Troy Grove, Illinois, USA
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