August weather forecastFlossmoor, IL
August
Weather in August
August, the last month of the summer in Flossmoor, is another warm month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 64.6°F (18.1°C).Temperature
The weather during August records an average high-temperature of a still warm 80.1°F (26.7°C), closely mirroring the preceding month. During the nights in August, Flossmoor experiences a consistent average temperature of 64.6°F (18.1°C).Humidity
In Flossmoor, the average relative humidity in August is 78%.Rainfall
In August, the rain falls for 14.8 days. Throughout August, 2.56" (65mm) of precipitation is accumulated. In Flossmoor, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 47min.On the first day of August in Flossmoor, sunrise is at 5:46 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:25 pm CDT.
Sunshine
The month with the most sunshine is August, with an average of 10.1h of sunshine.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 unsafe exposure to UV radiation for average individuals.Note: In August, a daily maximum UV index of 5 leads to the following instructions:
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. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Flossmoor, 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 (29.7°F).
- Average low temperature in August: 64.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in August
Flossmoor, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Flossmoor, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Flossmoor, IL
- Average humidity in August: 78%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Flossmoor, IL
- Average rainfall in August: 2.56"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in August
Flossmoor, IL
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in August
Flossmoor, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Flossmoor, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Flossmoor, 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: 10h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Flossmoor, IL
- Average sunshine days in August: 13.3 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in August
Flossmoor, IL
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Flossmoor, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Flossmoor, IL
- Average visibility in August: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
