October weather forecast
Sheffield, IL

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Weather in October

October, like September, in Sheffield, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 61.3°F (16.3°C) and 45.5°F (7.5°C).

Temperature

As October begins, there is a decrease in the average high-temperature, falling from a moderately hot 74.8°F (23.8°C) in September to a comfortable 61.3°F (16.3°C). The average low-temperature during October nights is a frosty 45.5°F (7.5°C).

Humidity

The least humid month is October, with an average relative humidity of 72%.

Rainfall

In Sheffield, during October, the rain falls for 12.3 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, in Sheffield, there are 147.2 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in Sheffield. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, in Sheffield, there are 37 snowfall days, and 12.91" (328mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 5min.
On the first day of the month, sunrise is at 6:56 am and sunset at 6:40 pm. On the last day of October, sunrise is at 7:30 am and sunset at 5:54 pm CDT.

Sunshine

The average sunshine in October is 5.6h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 during October translates into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

In Sheffield, in October, the average high-temperature is 61.3°F (16.3°C), and the average low-temperature is 45.5°F (7.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in July is evaluated at 87.8°F (31°C).

What is the least humid month in Sheffield?

With an average relative humidity of 72%, October is the least humid month.

What is the average humidity in October?

In Sheffield, the average relative humidity in October is 72%.

How much does it rain in October?

In Sheffield, during October, the rain falls for 12.3 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow.

How many hours of daylight does Sheffield have in October?

In October, the average day length is 11h and 5min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 6:56 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:54 pm CDT.

How long on average sun shines in October?

In October, the average sunshine duration in Sheffield is 5.6h.

How high is the UV index in October?

In Sheffield, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Sheffield, IL

Average temperature in October - Sheffield, IL
  • Average high temperature in October: 61.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in October
Sheffield, IL

Average pressure in October - Sheffield, IL
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Sheffield, IL

Average wind speed in October - Sheffield, IL
  • Average wind speed in October: 9.4mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in October
Sheffield, IL

Average humidity in October - Sheffield, IL
  • Average humidity in October: 72%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Sheffield, IL

Average rainfall in October - Sheffield, IL
  • Average rainfall in October: 2.72"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").

Average rainfall days in October
Sheffield, IL

Average rainfall days in October - Sheffield, IL
  • Average rainfall days in October: 12.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in October
Sheffield, IL

Average snowfall in October - Sheffield, IL
  • Average snowfall in October: 0.28"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Sheffield, IL

Average snowfall days in October - Sheffield, IL
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (11.4 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
Sheffield, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 5h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in October
Sheffield, IL

Average sunshine days in October - Sheffield, IL
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in October
Sheffield, IL

Average UV index in October - Sheffield, IL
  • Average UV index in October: 3

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in October
Sheffield, IL

Average cloud cover in October - Sheffield, IL
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in October
Sheffield, IL

Average visibility in October - Sheffield, IL
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Sheffield, Illinois, USA

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