August weather forecastFreeport, IL
August
Weather in August
As August unfolds, the weather conditions in Freeport remain somewhat consistent with July. Amidst the warm setting, the residents continue to enjoy the extravagance of summer. The suppressive heat somewhat dips in the evenings, introducing some relief. As opportunities for outdoor activities persist, festivals and events continue to brighten the cityscape. Despite the approach of autumn, the weather remains predominantly hot and humid with unexpected bursts of rain.Temperature
In Freeport, August's average high-temperature stands at a still warm 78.3°F (25.7°C), closely related to the preceding month. The month of August records an average low-temperature of 60.8°F (16°C) in Freeport.Humidity
The average relative humidity in August is 83%.Rainfall
In Freeport, in August, during 14.2 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 138 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 50min.On the first day of August, sunrise is at 5:52 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:33 pm CDT.
Sunshine
The months with the most sunshine are July and August, with an average of 9.7h of sunshine.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 5 in August leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Freeport, IL
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in August: 60.8°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in August
Freeport, IL
- Average pressure in August: 29.97"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
Freeport, IL
- Average wind speed in August: 6.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in August
Freeport, IL
- Average humidity in August: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in August
Freeport, IL
- Average rainfall in August: 1.69"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in August
Freeport, IL
- Average rainfall days in August: 14.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in August
Freeport, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Freeport, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (11.3 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
Freeport, IL
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Freeport, IL
- Average sunshine days in August: 13.2 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in August
Freeport, IL
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Freeport, IL
- Average cloud cover in August: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in August
Freeport, 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).
