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 transition into August shows a subtle variation to a still warm 78.3°F (25.7°C) from July's 79.7°F (26.5°C) in the average high-temperature. During August, Freeport observes a consistent average nighttime temperature of 60.8°F (16°C).Humidity
The average relative humidity in August is 83%.Rainfall
In August, the rain falls for 14.2 days. Throughout August, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 138 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
In Freeport, snow does not fall in May through September.Daylight
The average length of the day in August in Freeport 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
July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Freeport.UV index
The months with the highest UV index in Freeport are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in August converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the usual temperature for Freeport in August?
What is the average humidity in August in Freeport?
How much does it rain in Freeport in August?
When it does not snow in Freeport?
How many hours of daylight does Freeport have in August?
When are sunrise and sunset in August in Freeport?
What are the months with the most sunshine in Freeport?
How many hours of sunshine does Freeport have in August?
What is the month with the highest UV index in Freeport?
What is the UV index reading in August in Freeport?
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 5min
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 4min
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).
Freeport, Illinois, USA
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