October weather forecast
Shirley, IL

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Weather in October

October, the same as September, is another refreshing autumn month in Shirley, Illinois, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 46.6°F (8.1°C).

Temperature

Shirley's October weather features a mild decline in high-temperatures, reducing from a moderately hot 75.7°F (24.3°C) in September to a refreshing 62.2°F (16.8°C). The low-temperature averages to a chilly 46.6°F (8.1°C) during the nights of October.

Humidity

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

Rainfall

In Shirley, during October, the rain falls for 10.8 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 140.6 rainfall days, and 22.44" (570mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Shirley. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Shirley, Illinois, during the entire year, snow falls for 35.4 days and aggregates up to 9.45" (240mm) of snow.

Daylight

In Shirley, the average length of the day in October is 11h and 7min.
On the first day of the month, sunrise is at 6:53 am and sunset at 6:37 pm. On the last day of October, sunrise is at 7:25 am and sunset at 5:53 pm CDT.

Sunshine

The average sunshine in October is 5.8h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
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. Around midday, solar radiation is most harmful; hence, exposure should be limited. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Shirley?

In October, the average high-temperature and low-temperature in Shirley are 62.2°F (16.8°C) and 46.6°F (8.1°C) respectively. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the least humid month in Shirley?

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

What is the average humidity in October in Shirley?

The average relative humidity in October is 71%.

How many days does it rain in October in Shirley?

In Shirley, Illinois, in October, during 10.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When does it start to snow in Shirley?

October is the first month it typically snows in Shirley, Illinois. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October in Shirley?

In Shirley, the average day length in October is 11h and 7min.

When are sunrise and sunset in October in Shirley?

In October, on the first day of the month, sunrise is at 6:53 am and sunset at 6:37 pm. On the last day of the month, in Shirley, Illinois, sunrise is at 7:25 am and sunset at 5:53 pm CDT.

How many hours of sunshine does Shirley have in October?

The average sunshine duration in October is 5.8h.

What is the UV index intensity in October in Shirley?

The average daily maximum UV index in October in Shirley, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Shirley, IL

Average temperature in October - Shirley, IL
  • Average high temperature in October: 62.2°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in October: 46.6°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 (18.9°F).

Average pressure in October
Shirley, IL

Average pressure in October - Shirley, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Shirley, IL

Average wind speed in October - Shirley, IL
  • Average wind speed in October: 9.8mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in October
Shirley, IL

Average humidity in October - Shirley, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Shirley, IL

Average rainfall in October - Shirley, IL
  • Average rainfall in October: 1.89"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in October
Shirley, IL

Average rainfall days in October - Shirley, IL
  • Average rainfall days in October: 10.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in October
Shirley, IL

Average snowfall in October - Shirley, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Shirley, IL

Average snowfall days in October - Shirley, IL
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (11.5 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
Shirley, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Shirley, IL

Average sunshine days in October - Shirley, IL
  • Average sunshine days in October: 17.4 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.7 days).

Average UV index in October
Shirley, IL

Average UV index in October - Shirley, 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
Shirley, IL

Average cloud cover in October - Shirley, IL
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).

Average visibility in October
Shirley, IL

Average visibility in October - Shirley, 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).

Shirley, Illinois, USA

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