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
Somonauk observes a minor difference in average high-temperatures between July's 80.6°F (27°C) and August's 79°F (26.1°C). In August, the recorded average low-temperature is a refreshing 61.5°F (16.4°C).Humidity
In August, the average relative humidity in Somonauk is 84%.Rainfall
In Somonauk, in August, during 17.6 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Somonauk, during the entire year, the rain falls for 162.1 days and collects up to 33.54" (852mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in August is 13h and 48min.On the first day of August, sunrise is at 5:49 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:29 pm CDT.
Sunshine
June through August, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are June and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are August temperatures in Somonauk?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
What is the month with the most sunshine?
How long on average sun shines in August?
What are the months with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Somonauk, IL
- Average high temperature in August: 79°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in August: 61.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in August
Somonauk, 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
Somonauk, IL
- Average wind speed in August: 6mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Somonauk, IL
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Somonauk, IL
- Average rainfall in August: 2.99"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in August
Somonauk, IL
- Average rainfall days in August: 17.6 days
The months with the highest number of rainy days are June and July (19.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in August
Somonauk, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Somonauk, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Somonauk, IL
- Average daylight in August: 13h and 5min
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 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Somonauk, IL
- Average sunshine days in August: 10.1 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in August
Somonauk, IL
- Average UV index in August: 6
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Somonauk, 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
Somonauk, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Somonauk, Illinois, USA
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