October weather forecast
Old Gilchrist, IL

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Weather in October

October, like September, in Old Gilchrist, Illinois, is another comfortable autumn month, with an average temperature ranging between max 61.7°F (16.5°C) and min 45.5°F (7.5°C).

Temperature

Old Gilchrist's progression into October includes a drop in the average high-temperature, from a moderately hot 75.4°F (24.1°C) in September to a refreshing 61.7°F (16.5°C). During October, an average low-temperature of 45.5°F (7.5°C) is observed.

Humidity

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

Rainfall

In Old Gilchrist, Illinois, during October, the rain falls for 10.1 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 121.3 rainfall days, and 17.72" (450mm) 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 0.4 snowfall days, it receives 0.39" (10mm) of snow. In Old Gilchrist, during the entire year, snow falls for 26.3 days and aggregates up to 7.64" (194mm) of snow.

Daylight

The average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 6:59 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:33 am and sunset at 5:58 pm CDT.

Sunshine

The average sunshine in October is 5.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 3 in October translates into these instructions:
Exercise prevention - Precautions against solar damage are endorsed. When the Sun is at its strongest around midday, find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

The high-temperature during October is 61.7°F (16.5°C) and the low-temperature is 45.5°F (7.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 86°F (30°C).

What is the least humid month?

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

What is the average humidity in October?

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

How much does it rain in October?

In Old Gilchrist, in October, during 10.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.39" (10mm) of snow.

What is the average length of the day in October?

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

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:59 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:58 pm CDT.

How many hours of sunshine does Old Gilchrist have in October?

The average sunshine duration in October is 5.5h.

What is the UV index reading in October?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Old Gilchrist, IL

Average temperature in October - Old Gilchrist, IL
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is July (81.5°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 (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in October
Old Gilchrist, IL

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in October
Old Gilchrist, IL

Average wind speed in October - Old Gilchrist, IL
  • Average wind speed in October: 9.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in October
Old Gilchrist, IL

Average humidity in October - Old Gilchrist, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Old Gilchrist, IL

Average rainfall in October - Old Gilchrist, IL
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in October
Old Gilchrist, IL

Average rainfall days in October - Old Gilchrist, IL
  • Average rainfall days in October: 10.1 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in October
Old Gilchrist, IL

Average snowfall in October - Old Gilchrist, IL
  • Average snowfall in October: 0.39"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Old Gilchrist, IL

Average snowfall days in October - Old Gilchrist, IL
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (7.8 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
Old Gilchrist, IL

Average daylight in October / Average sunshine in October - Old Gilchrist, 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 18min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in October
Old Gilchrist, IL

Average sunshine days in October - Old Gilchrist, IL
  • Average sunshine days in October: 19.6 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).

Average UV index in October
Old Gilchrist, IL

Average UV index in October - Old Gilchrist, 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
Old Gilchrist, IL

Average cloud cover in October - Old Gilchrist, IL
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).

Average visibility in October
Old Gilchrist, IL

Average visibility in October - Old Gilchrist, 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).

Old Gilchrist, Illinois, USA

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