October weather forecastSouth Wilmington, IL
October
Weather in October
October, like September, in South Wilmington, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 46.2°F (7.9°C) and 62.1°F (16.7°C).Temperature
October's onset brings a reduction in the average high-temperature, from a warm 74.8°F (23.8°C) in September to a refreshing 62.1°F (16.7°C). Nighttime temperature lowers to an average of 46.2°F (7.9°C) in October.Humidity
With an average relative humidity of 72%, October is the least humid month in South Wilmington.Rainfall
In South Wilmington, Illinois, in October, it is raining for 11.2 days, with typically 1.97" (50mm) of accumulated precipitation. In South Wilmington, during the entire year, the rain falls for 140.4 days and collects up to 21.5" (546mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 38.1 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
In South Wilmington, Illinois, the average length of the day in October is 11h and 5min.On the first day of October in South Wilmington, Illinois, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:49 pm CDT.
Sunshine
In South Wilmington, the average sunshine in October is 6h.UV index
In South Wilmington, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in October transforms into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
South Wilmington, IL
- Average high temperature in October: 62.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in October: 46.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in October
South Wilmington, 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
South Wilmington, IL
- Average wind speed in October: 8.9mph
The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in October
South Wilmington, IL
- Average humidity in October: 72%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
South Wilmington, IL
- Average rainfall in October: 1.97"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in October
South Wilmington, IL
- Average rainfall days in October: 11.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in October
South Wilmington, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
South Wilmington, IL
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
South Wilmington, 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 18min).
- Average sunshine in October: 6h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
South Wilmington, IL
- Average sunshine days in October: 17.2 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in October
South Wilmington, IL
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
South Wilmington, IL
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in October
South Wilmington, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
