August weather forecastCrest Hill, IL
August
Weather in August
August, the last month of the summer in Crest Hill, is also a moderately hot month, with an average temperature varying between 80.1°F (26.7°C) and 62.8°F (17.1°C).Temperature
The weather during August records an average high-temperature of a still moderately hot 80.1°F (26.7°C), closely mirroring the preceding month. Throughout August, an average nighttime temperature of 62.8°F (17.1°C) is experienced.Humidity
The average relative humidity in August in Crest Hill is 82%.Rainfall
In Crest Hill, in August, during 15.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Crest Hill, during the entire year, the rain falls for 153.6 days and collects up to 32.72" (831mm) of precipitation.Snowfall
In Crest Hill, snow does not fall in May through October.Daylight
In Crest Hill, the average length of the day in August is 13h and 47min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:18 am and sunset at 7:26 pm CDT.
Sunshine
The month with the most sunshine is August, with an average of 9.7h of sunshine.UV index
The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 5 in August, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Crest Hill, IL
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in August: 62.8°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 (17.4°F).
Average pressure in August
Crest Hill, 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
Crest Hill, IL
- Average wind speed in August: 5.9mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in August
Crest Hill, IL
- Average humidity in August: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Crest Hill, IL
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in August
Crest Hill, IL
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in August
Crest Hill, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Crest Hill, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.9 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
Crest Hill, IL
- Average daylight in August: 13h and 48min
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 42min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Crest Hill, IL
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in August
Crest Hill, 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
Crest Hill, 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
Crest Hill, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
