October weather forecastSomonauk, IL
October
Weather in October
October, the same as September, in Somonauk, Illinois, is another mild autumn month, with an average temperature varying between 44.8°F (7.1°C) and 60.3°F (15.7°C).Temperature
Somonauk in October demonstrates a small temperature transition, adjusting from an average high of a moderately hot 73.8°F (23.2°C) in September to a refreshing 60.3°F (15.7°C). Nightly temperatures drop to an average low of 44.8°F (7.1°C) in October.Humidity
With an average relative humidity of 74%, October is the least humid month.Rainfall
In Somonauk, in October, it is raining for 13.5 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 162.1 rainfall days, and 33.54" (852mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.16" (4mm) of snow. In Somonauk, during the entire year, snow falls for 43.6 days and aggregates up to 16.73" (425mm) of snow.Daylight
In Somonauk, the average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 6:52 am and sunset at 6:35 pm. On the last day of October, sunrise is at 7:26 am and sunset at 5:50 pm CDT.
Sunshine
In Somonauk, the average sunshine in October is 5.6h.UV index
In October, the average daily maximum UV index in Somonauk, Illinois, is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during October translates into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Somonauk, IL
- Average high temperature in October: 60.3°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 October: 44.8°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 October
Somonauk, IL
- Average pressure in October: 30.01"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 October
Somonauk, IL
- Average wind speed in October: 8.8mph
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 October
Somonauk, IL
- Average humidity in October: 74%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Somonauk, IL
- Average rainfall in October: 2.87"
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 October
Somonauk, IL
- Average rainfall days in October: 13.5 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 October
Somonauk, IL
- Average snowfall in October: 0.16"
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 October
Somonauk, IL
- Average snowfall days in October: 0.4 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 October /
Average sunshine in October
Somonauk, IL
- Average daylight in October: 11h and 6min
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 October: 5h and 36min
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 October
Somonauk, IL
- Average sunshine days in October: 15.3 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 October
Somonauk, IL
- Average UV index in October: 2
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 October
Somonauk, IL
- Average cloud cover in October: 41
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 October
Somonauk, IL
- Average visibility in October: 6mi
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).
