August weather forecastSun River Terrace, IL
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Sun River Terrace, Illinois, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 79.7°F (26.5°C).Temperature
The introduction of August notes a subtle temperature variation to a still moderately hot 79.7°F (26.5°C) from July's 81.1°F (27.3°C). Sun River Terrace reports an average nighttime low-temperature of 62.6°F (17°C) in August.Humidity
In August, the average relative humidity is 83%.Rainfall
In Sun River Terrace, during August, the rain falls for 13.7 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Sun River Terrace, there are 132 rainfall days, and 15.16" (385mm) of precipitation is accumulated.Snowfall
In Sun River Terrace, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 5:47 am and sunset at 8:07 pm. On the last day of August, in Sun River Terrace, Illinois, sunrise is at 6:17 am and sunset at 7:24 pm CDT.
Sunshine
The months with the most sunshine are June through August, with an average of 9.8h of sunshine.UV index
In Sun River Terrace, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 5 during August, leads to the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sun River Terrace, IL
- Average high temperature in August: 79.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in August: 62.6°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 (18.5°F).
Average pressure in August
Sun River Terrace, 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
Sun River Terrace, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in August
Sun River Terrace, IL
- Average humidity in August: 83%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Sun River Terrace, IL
- Average rainfall in August: 1.61"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in August
Sun River Terrace, IL
- Average rainfall days in August: 13.7 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in August
Sun River Terrace, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Sun River Terrace, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 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
Sun River Terrace, 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 18min).
- Average sunshine in August: 9h and 48min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Sun River Terrace, IL
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in August
Sun River Terrace, 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
Sun River Terrace, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Sun River Terrace, 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).
