October weather forecast
Winchester, IL

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Weather in October

October, the same as September, is another comfortable autumn month in Winchester, Illinois, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 64.2°F (17.9°C).

Temperature

The arrival of October indicates a decrease in the average high-temperature, moving from a moderately hot 78.1°F (25.6°C) in September to a refreshing 64.2°F (17.9°C). Throughout October, Winchester anticipates an average low-temperature of 47.3°F (8.5°C).

Humidity

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

Rainfall

In Winchester, during October, the rain falls for 12.1 days and regularly aggregates up to 2.8" (71mm) of precipitation. 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 in Winchester. October is the first month it typically snows in Winchester. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 30.2 snowfall days, and 10.75" (273mm) of snow is accumulated.

Daylight

In October, the average length of the day in Winchester is 11h and 8min.
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.

Sunshine

In October, the average sunshine is 5.9h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In October, the maximum UV index of 3 suggests this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the temperature in October in Winchester?

The high-temperature during October is 64.2°F (17.9°C) and the low-temperature is 47.3°F (8.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 91.4°F (33°C).

What is the least humid month in Winchester?

The least humid month is October, with an average relative humidity of 71%.

What is the average humidity in October in Winchester?

The average relative humidity in October is 71%.

How many days does it rain in October in Winchester?

In Winchester, during October, the rain falls for 12.1 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When does it start snowing in Winchester?

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

How many hours of daylight does Winchester have in October?

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

When is the sunrise / sunset in October in Winchester?

On the first day of October in Winchester, Illinois, 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 Winchester?

In October, the average sunshine duration is 5.9h.

How high is the UV index in October in Winchester?

The average daily maximum UV index in October in Winchester, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Winchester, Illinois, USA

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