October weather forecast
Winchester, IL

Share

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.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Winchester?

Winchester in October has an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 47.3°F (8.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 91.4°F (33°C).

What is the least humid month?

With an average relative humidity of 71%, October is the least humid month.

What is the average humidity in October?

In October, the average relative humidity in Winchester is 71%.

How much does it rain in October?

In Winchester, in October, it is raining for 12.1 days, with typically 2.8" (71mm) of accumulated precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

What is the average length of the day in October?

The average day length in October is 11h and 8min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 6:00 pm CDT.

How long on average sun shines in October?

In October, the average sunshine duration is 5.9h.

What is the UV index intensity in October?

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Winchester, IL

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in October - Winchester, IL
  • Average daylight in October: 11h and 1min

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 5min

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 - 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 - 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 - 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 - 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).

Winchester, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location