October weather forecast
Columbia, IL

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Weather in October

October, the same as September, is another refreshing autumn month in Columbia, Illinois, with an average temperature varying between 66.7°F (19.3°C) and 49.1°F (9.5°C).

Temperature

In October, the meteorological conditions alter, with the average high-temperature shifting from a warm 79.5°F (26.4°C) in September to a comfortable 66.7°F (19.3°C). An average minimum temperature of 49.1°F (9.5°C) is recorded during the month of October.

Humidity

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

Rainfall

In Columbia, in October, it is raining for 9.7 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 141 rainfall days, and 29.29" (744mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Columbia.

Daylight

In Columbia, Illinois, the average length of the day in October is 11h and 11min.
On the first day of the month, sunrise is at 6:57 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:26 am and sunset at 6:01 pm CDT.

Sunshine

The average sunshine in October is 6.2h.

UV index

The average daily maximum UV index in October in Columbia is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Columbia?

In October, in Columbia, the average high-temperature is 66.7°F (19.3°C), and the average low-temperature is 49.1°F (9.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 95°F (35°C).

What is the least humid month in Columbia?

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

What is the average humidity in October in Columbia?

The average relative humidity in October is 71%.

How many days does it rain in October in Columbia?

In October, the rain falls for 9.7 days. Throughout October, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Columbia?

In Columbia, snow does not fall in April through October.

Does it snow in Columbia in October?

In Columbia, Illinois, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Columbia have in October?

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

When are sunrise and sunset in October in Columbia?

On the first day of October in Columbia, sunrise is at 6:57 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 6:01 pm CDT.

How many hours of sunshine does Columbia have in October?

In October, the average sunshine duration is 6.2h.

How high is the UV index in October in Columbia?

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes 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
Columbia, IL

Average temperature in October - Columbia, IL
  • Average high temperature in October: 66.7°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in October
Columbia, IL

Average pressure in October - Columbia, IL
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Columbia, IL

Average wind speed in October - Columbia, IL
  • Average wind speed in October: 7.7mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in October
Columbia, IL

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Columbia, IL

Average rainfall in October - Columbia, IL
  • Average rainfall in October: 2.05"

The wettest month (with the highest rainfall) is May (3.58").
The driest months (with the least rainfall) are February and November (1.57").

Average rainfall days in October
Columbia, IL

Average rainfall days in October - Columbia, IL
  • Average rainfall days in October: 9.7 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in October
Columbia, IL

Average snowfall in October - Columbia, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Columbia, IL

Average snowfall days in October - Columbia, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (6.2 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
Columbia, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 6h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in October
Columbia, IL

Average sunshine days in October - Columbia, IL
  • Average sunshine days in October: 20.2 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in October
Columbia, IL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in October
Columbia, IL

Average cloud cover in October - Columbia, IL
  • Average cloud cover in October: 33

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 28).

Average visibility in October
Columbia, IL

Average visibility in October - Columbia, 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).

Columbia, Illinois, USA

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