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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Columbia, Illinois, is another cold winter month, with an average temperature ranging between min 25.2°F (-3.8°C) and max 37.9°F (3.3°C). January, noted for its average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 25.2°F (-3.8°C), is considered the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Columbia, is also a wintry month, with an average temperature varying between 42.6°F (5.9°C) and 28.2°F (-2.1°C). The onset of February manifests an average high-temperature of a still wintry 42.6°F (5.9°C), demonstrating a minor variation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Columbia, Illinois, with an average temperature varying between 37.9°F (3.3°C) and 54.5°F (12.5°C). With the onset of March, the average high-temperature slightly shifts from February's icy 42.6°F (5.9°C) to a fresh 54.5°F (12.5°C). Weather in March »
Weather in April
April in Columbia, Illinois, is a comfortable spring month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 65.5°F (18.6°C). Columbia's transition into April is marked by a temperature shift, moving from a cool 54.5°F (12.5°C) in March to a refreshing 65.5°F (18.6°C). Weather in April »
Weather in May
May, the last month of the spring in Columbia, is a warm month, with an average temperature ranging between max 75°F (23.9°C) and min 57.7°F (14.3°C). May sees a rise in the average high-temperature, climbing from a refreshing 65.5°F (18.6°C) in April to a moderately hot 75°F (23.9°C). Weather in May »
Weather in June
June, the first month of the summer in Columbia, is still a warm month, with an average temperature varying between 66.7°F (19.3°C) and 84.2°F (29°C). The shift into June is marked by a rise in the average high-temperature, moving from May's moderately hot 75°F (23.9°C) to a still warm 84.2°F (29°C). Weather in June »
Weather in July
July in Columbia, Illinois, is a tropical summer month, with an average temperature ranging between min 68.9°F (20.5°C) and max 86.9°F (30.5°C). July, with an average high of 86.9°F (30.5°C) and a low of 68.9°F (20.5°C), signifies the warmest month of the year. July's heat index is estimated at a very hot 100.4°F (38°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Columbia, Illinois, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 85.3°F (29.6°C). As August unfolds, the average high-temperature reaches a warm 85.3°F (29.6°C), hinting at a slight fluctuation from the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Columbia, Illinois, with an average temperature varying between 79.5°F (26.4°C) and 60.1°F (15.6°C). September brings a minor shift in the average high-temperature, adjusting from a moderately hot 85.3°F (29.6°C) in August to a still warm 79.5°F (26.4°C). Weather in September »
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). 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). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Columbia, Illinois, with an average temperature fluctuating between 38.1°F (3.4°C) and 53.6°F (12°C). With November's onset, the weather shows a temperature decrease, transitioning from an enjoyable 66.7°F (19.3°C) in October to a fresh 53.6°F (12°C). Weather in November »
Weather in December
December, the first month of the winter in Columbia, is still a chilly month, with an average temperature fluctuating between 43.2°F (6.2°C) and 30.7°F (-0.7°C). With December's onset, the average high-temperature recedes from November's cool 53.6°F (12°C) to a frosty 43.2°F (6.2°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Columbia?
With average temperatures fluctuating between a high of 37.9°F (3.3°C) and a low of 25.2°F (-3.8°C), January stands out as the coldest month.
How much does it rain in Columbia?
In Columbia, Illinois, during the entire year, the rain falls for 141 days and collects up to 29.29" (744mm) of precipitation.
When does it snow in Columbia?
January through March, November and December are months with snowfall in Columbia.
How many days does it snow in Columbia?
Throughout the year, in Columbia, there are 18.3 snowfall days, and 7.72" (196mm) of snow is accumulated.
What is the month with the least sunshine in Columbia?
January has the least sunshine of the year, with an average of 4.6h of sunshine.
What are the months with the lowest UV index in Columbia?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Columbia, Illinois.
What is the driest month in Columbia?
February and November are months with the least rain in Columbia when the rain falls for 6.8 days and typically aggregates up to 1.57" (40mm) of rain.
When does it snow the most in Columbia?
The month with the most snowfall in Columbia, Illinois, is February, when snow falls for 5.3 days and typically aggregates up to 2.24" (57mm) of snow.
When is Daylight Saving Time (DST) in Columbia?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Columbia, Illinois, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When it does not snow in Columbia?
April through October are months without snowfall.
What is the most humid month in Columbia?
May is the most humid month in Columbia, with an average relative humidity of 79%.
What is the wettest month in Columbia?
The month with the most rainfall in Columbia, Illinois, is May, when the rain falls for 15.3 days and typically aggregates up to 3.58" (91mm) of precipitation.
When is the highest UV index in Columbia?
The months with the highest UV index in Columbia are May through August, with an average maximum UV index of 6.
When are the longest days in Columbia?
The month with the longest days in Columbia is June, with an average of 14h and 48min of daylight.
What are the months with the most sunshine in Columbia?
The months with the most sunshine are June and July, with an average of 10.4h of sunshine.
What is the hottest time of year in Columbia?
The warmest period tends to be July, when average temperatures fluctuate between a high of 86.9°F (30.5°C) and a low of 68.9°F (20.5°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 month with the shortest days in Columbia?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Columbia, IL
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).
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
Columbia, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"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
Columbia, IL
- Average wind speed in January:
9.2mph - Average wind speed in February:
9.1mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.8mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.9mph - Average wind speed in October:
7.7mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.5mph
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
Columbia, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Columbia, IL
- Average rainfall in January:
1.85" - Average rainfall in February:
1.57" - Average rainfall in March:
2.24" - Average rainfall in April:
3.07" - Average rainfall in May:
3.58" - Average rainfall in June:
3.35"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.11" - Average rainfall in September:
1.93" - Average rainfall in October:
2.05" - Average rainfall in November:
1.57" - Average rainfall in December:
2.01"
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
Columbia, IL
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
6.8 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
8.5 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
Columbia, IL
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
Columbia, IL
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
3.5 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 / Average sunshine
Columbia, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
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 January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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
Columbia, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
19 days - Average sunshine days in December:
20 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
Columbia, IL
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
Columbia, IL
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
Columbia, IL
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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