October weather forecastHanover, IL
October
Weather in October
October, like September, is a moderate autumn month in Hanover, Illinois, with an average temperature varying between 59.2°F (15.1°C) and 43°F (6.1°C).Temperature
Transition into October marks a drop in the average high-temperature, moving from an agreeable 73°F (22.8°C) in September to a mild 59.2°F (15.1°C). Hanover sees an average low-temperature of 43°F (6.1°C) during October.Humidity
October is the least humid month in Hanover, with an average relative humidity of 75%.Rainfall
In Hanover, Illinois, in October, during 12 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Hanover, during the entire year, the rain falls for 145.6 days and collects up to 28.9" (734mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Hanover. October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.75" (19mm) of snow. Throughout the year, there are 40.1 snowfall days, and 16.61" (422mm) of snow is accumulated.Daylight
In Hanover, the average length of the day in October is 11h and 3min.On the first day of October, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:55 pm CDT.
Sunshine
In Hanover, the average sunshine in October is 5.3h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during October morphs into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Hanover, IL
- Average high temperature in October: 59.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in October: 43°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in October
Hanover, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Hanover, IL
- Average wind speed in October: 9.2mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in October
Hanover, IL
- Average humidity in October: 75%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in October
Hanover, IL
- Average rainfall in October: 2.56"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in October
Hanover, IL
- Average rainfall days in October: 12 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in October
Hanover, IL
- Average snowfall in October: 0.75"
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
Hanover, IL
- Average snowfall days in October: 0.7 days
The month with the highest number of snowfall days is January (10.6 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
Hanover, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Hanover, IL
- Average sunshine days in October: 16.9 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in October
Hanover, IL
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Hanover, IL
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in October
Hanover, IL
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





