October weather forecast
Columbus, IL

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Weather in October

October, the same as September, is another enjoyable autumn month in Columbus, Illinois, with an average temperature varying between 46.8°F (8.2°C) and 63.5°F (17.5°C).

Temperature

The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 77.5°F (25.3°C) in September to an enjoyable 63.5°F (17.5°C). Columbus anticipates an average minimum temperature of 46.8°F (8.2°C) in the month of October.

Humidity

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

Rainfall

In Columbus, in October, it is raining for 10.3 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 134.2 rainfall days, and 23.15" (588mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Columbus. October is the first month it typically snows in Columbus. Throughout October, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow. In Columbus, during the entire year, snow falls for 27.6 days and aggregates up to 7.95" (202mm) of snow.

Daylight

In October, the average length of the day is 11h and 8min.
On the first day of October, sunrise is at 7:01 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:02 pm CDT.

Sunshine

In October, the average sunshine is 5.7h.

UV index

The average daily maximum UV index in October in Columbus 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 these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What are October temperatures in Columbus?

October temperatures in Columbus vary between a high-temperature of 63.5°F (17.5°C) and a low-temperature of 46.8°F (8.2°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 91.4°F (33°C).

What is the least humid month in Columbus?

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

What is the average humidity in October in Columbus?

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

How many days does it rain in October in Columbus?

In Columbus, in October, it is raining for 10.3 days, with typically 1.85" (47mm) of accumulated precipitation.

When does it start to snow in Columbus?

October is the first month it typically snows in Columbus, Illinois. Throughout October, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does Columbus have in October?

In October, the average day length in Columbus, Illinois, is 11h and 8min.

When are sunrise and sunset in October in Columbus?

In October, on the first day of the month, sunrise is at 7:01 am and sunset at 6:46 pm. On the last day of the month, in Columbus, Illinois, sunrise is at 7:33 am and sunset at 6:02 pm CDT.

How many hours of sunshine does Columbus have in October?

In Columbus, Illinois, the average sunshine duration in October is 5.7h.

What is the UV index intensity in October in Columbus?

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

Average temperature in October
Columbus, IL

Average temperature in October - Columbus, IL
  • Average high temperature in October: 63.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in October: 46.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in October
Columbus, IL

Average pressure in October - Columbus, IL
  • Average pressure in October: 30.02"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
Columbus, IL

Average wind speed in October - Columbus, IL
  • Average wind speed in October: 9mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in October
Columbus, IL

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

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Columbus, IL

Average rainfall in October - Columbus, IL
  • Average rainfall in October: 1.85"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are January and December (1.02").

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Average rainfall days in October
Columbus, IL

Average rainfall days in October - Columbus, IL
  • Average rainfall days in October: 10.3 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5 days).

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Average snowfall in October
Columbus, IL

Average snowfall in October - Columbus, IL
  • Average snowfall in October: 0.2"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Columbus, IL

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

The month with the highest number of snowfall days is January (8.8 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
Columbus, IL

Average daylight in October / Average sunshine in October - Columbus, 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 24min).

  • Average sunshine in October: 5h and 4min

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 18min).

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Average sunshine days in October
Columbus, IL

Average sunshine days in October - Columbus, IL
  • Average sunshine days in October: 18.7 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is June (11.1 days).

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Average UV index in October
Columbus, IL

Average UV index in October - Columbus, 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
Columbus, IL

Average cloud cover in October - Columbus, IL
  • Average cloud cover in October: 35

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in October
Columbus, IL

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

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

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Columbus, Illinois, USA

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