October weather forecastRiverside, IL
October
Weather in October
October, like September, is a moderate autumn month in Riverside, Illinois, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 59.9°F (15.5°C).Temperature
The shift from September to October corresponds with a decrease in the average high-temperature, down to a refreshing 59.9°F (15.5°C) from an agreeable 72.9°F (22.7°C). In October, Riverside's temperature tends to fall to an average low of 47.7°F (8.7°C) during the night.Humidity
With an average relative humidity of 72%, October is the least humid month in Riverside.Rainfall
In Riverside, in October, during 6.7 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Riverside, there are 92 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Snowfall
Months with snowfall in Riverside are January through April, October through December. October is the first month it typically snows in Riverside, Illinois. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Riverside, during the entire year, snow falls for 26.5 days and aggregates up to 4.06" (103mm) of snow.Daylight
The average length of the day in October in Riverside is 11h and 4min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:32 pm. On the last day of October, in Riverside, sunrise is at 7:23 am and sunset at 5:46 pm CDT.
Sunshine
In October, the average sunshine in Riverside, Illinois, is 5.8h.UV index
In October, the average daily maximum UV index in Riverside is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during October translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Riverside, IL
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in October: 47.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in October
Riverside, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Riverside, IL
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in October
Riverside, IL
- Average humidity in October: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Riverside, IL
- Average rainfall in October: 0.67"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days in October
Riverside, IL
- Average rainfall days in October: 6.7 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in October
Riverside, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Riverside, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (7.3 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
Riverside, IL
- Average daylight in October: 11h and 6min
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 12min).
- Average sunshine in October: 5h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Riverside, IL
- Average sunshine days in October: 22.4 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in October
Riverside, IL
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Riverside, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
Riverside, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
