October weather forecastWinchester, IL
October
Weather in October
October, the same as September, is another enjoyable autumn month in Winchester, Illinois, with an average temperature ranging between min 47.3°F (8.5°C) and max 64.2°F (17.9°C).Temperature
The shift from September to October involves a decrease in the average high-temperature, from a moderately hot 78.1°F (25.6°C) to a comfortable 64.2°F (17.9°C). Nighttime temperatures in Winchester hover around an average low of 47.3°F (8.5°C) in October.Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In October, the rain falls for 12.1 days. Throughout October, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 155.4 rainfall days, and 31.69" (805mm) 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 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Winchester, during the entire year, snow falls for 30.2 days and aggregates up to 10.75" (273mm) of snow.Daylight
In Winchester, the average length of the day in October is 11h and 8min.On the first day of the month, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:29 am and sunset at 6:00 pm CDT.
Sunshine
In Winchester, Illinois, the average sunshine in October is 5.9h.UV index
In Winchester, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 during October translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Winchester, IL
- Average high temperature in October: 64.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in October
Winchester, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Winchester, IL
- Average wind speed in October: 8.5mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in October
Winchester, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Winchester, IL
- Average rainfall in October: 2.8"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days in October
Winchester, IL
- Average rainfall days in October: 12.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in October
Winchester, IL
- Average snowfall in October: 0.08"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Winchester, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (9.8 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
Winchester, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in October
Winchester, IL
- Average sunshine days in October: 17.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in October
Winchester, IL
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Winchester, IL
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in October
Winchester, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).





