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
Stepping into August, Somonauk records an average high-temperature of a still warm 79°F (26.1°C), almost consistent with July. During August in Somonauk, the average low-temperature is recorded at an enjoyable 61.5°F (16.4°C).Humidity
The average relative humidity in August is 84%.Rainfall
In Somonauk, Illinois, 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 in Somonauk, 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
The months with the most sunshine in Somonauk, Illinois, are June through August, with an average of 9.6h of sunshine.UV index
June and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are August temperatures in Somonauk?
What is the average humidity in August in Somonauk?
How many days does it rain in August in Somonauk?
When it does not snow in Somonauk?
What is the average length of the day in August in Somonauk?
What time are sunrise and sunset in August in Somonauk?
What are the months with the most sunshine in Somonauk?
How many hours of sunshine does Somonauk have in August?
When is the highest UV index in Somonauk?
How high is the UV index in August in Somonauk?
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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