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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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Caledonia, Illinois, is another subzero cold winter month, with an average temperature varying between 13.5°F (-10.3°C) and 25.5°F (-3.6°C). With average high and low temperatures of 25.5°F (-3.6°C) and 13.5°F (-10.3°C) respectively, January is Caledonia's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Caledonia, Illinois, with temperature in the range of an average low of 16.9°F (-8.4°C) and an average high of 29.7°F (-1.3°C). February's onset sees an average high-temperature of a still freezing cold 29.7°F (-1.3°C), exhibiting a slight fluctuation from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Caledonia, is a chilly month, with an average temperature ranging between max 43.9°F (6.6°C) and min 28.9°F (-1.7°C). The arrival of March brings a change in Caledonia's weather, with average high-temperatures moving from February's freezing cold 29.7°F (-1.3°C) to a chilly 43.9°F (6.6°C). Weather in March »
Weather in April
April is a moderate spring month in Caledonia, Illinois, with an average temperature ranging between min 39°F (3.9°C) and max 55.6°F (13.1°C). April brings a rise in Caledonia's average high-temperature, moving from a frosty 43.9°F (6.6°C) in March to a refreshing 55.6°F (13.1°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Caledonia, Illinois, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 68°F (20°C). In Caledonia, stepping into May brings a temperature increase, moving up from April's moderate 55.6°F (13.1°C) to an agreeable 68°F (20°C). Weather in May »
Weather in June
June, the first month of the summer in Caledonia, is a moderately hot month, with an average temperature fluctuating between 76.6°F (24.8°C) and 59.5°F (15.3°C). In Caledonia, the average high-temperature in June slightly rises, from a pleasant 68°F (20°C) in May, to a moderately hot 76.6°F (24.8°C). Weather in June »
Weather in July
July, like June, in Caledonia, Illinois, is a moderately hot summer month, with an average temperature ranging between max 79.9°F (26.6°C) and min 63°F (17.2°C). July is the month when Caledonia's temperatures reach their peak, with averages of 79.9°F (26.6°C) and lows of 63°F (17.2°C). Weather in July »
Weather in August
August, the last month of the summer in Caledonia, is another warm month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.1°F (25.6°C). The initiation of August records an average high-temperature of a still warm 78.1°F (25.6°C), displaying a near consistency with the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Caledonia, Illinois, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 72.3°F (22.4°C). The transition into September subtly indicates a reduction in the average high-temperature, down to a pleasant 72.3°F (22.4°C) from August's moderately hot 78.1°F (25.6°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Caledonia, Illinois, with temperature in the range of an average high of 59°F (15°C) and an average low of 43.3°F (6.3°C). The onset of October coincides with a reduction in the average high-temperature, falling from an agreeable 72.3°F (22.4°C) in September to a mild 59°F (15°C). Weather in October »
Weather in November
November, the last month of the autumn in Caledonia, is also a frosty month, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 30.9°F (-0.6°C). With the onset of November, Caledonia's average high-temperature experiences a noticeable drop, receding from October's mild 59°F (15°C) to a chilly 44.1°F (6.7°C). Weather in November »
Weather in December
December, the first month of the winter in Caledonia, is also an icy month, with temperature in the range of an average low of 21.9°F (-5.6°C) and an average high of 32.4°F (0.2°C). A subtle decrease in the average high-temperature marks December, falling from November's chilly 44.1°F (6.7°C) to a cold 32.4°F (0.2°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Caledonia?
January is the month when Caledonia sees the average lowest temperatures, with a high of 25.5°F (-3.6°C) and a low of 13.5°F (-10.3°C).
What is the most humid month in Caledonia?
With an average relative humidity of 86%, January is the most humid month.
How many days does it rain in Caledonia?
In Caledonia, Illinois, during the entire year, the rain falls for 123.8 days and collects up to 14.49" (368mm) of precipitation.
When does it snow in Caledonia?
Months with snowfall in Caledonia are January through April, October through December.
What is the snowiest month in Caledonia?
The month with the most snowfall in Caledonia is January, when snow falls for 10.3 days and typically aggregates up to 1.93" (49mm) of snow.
How many days does it snow in Caledonia?
Throughout the year, in Caledonia, there are 38.3 snowfall days, and 6.57" (167mm) of snow is accumulated.
What are the months with the least sunshine in Caledonia?
The months with the least sunshine in Caledonia, Illinois, are January and February, with an average of 3.6h of sunshine.
What are the months with the lowest UV index in Caledonia?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the driest month in Caledonia?
The month with the least rainfall is February, when the rain falls for 4.4 days and typically collects 0.51" (13mm) of precipitation.
When is Daylight Saving Time (DST) in Caledonia?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Caledonia, 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 Caledonia?
May through September are months without snowfall.
What is the wettest month in Caledonia?
June is the month with the most rainfall in Caledonia. Rain falls for 16.3 days and accumulates 2.2" (56mm) of precipitation.
When are the longest days in Caledonia?
With an average of 15h and 12min of daylight, June has the longest days of the year in Caledonia, Illinois.
When is the highest UV index in Caledonia?
The month with the highest UV index is June, with an average maximum UV index of 6.
What part of the year is the hottest in Caledonia?
July stands out as Caledonia's warmest month, with temperatures ranging between an average high of 79.9°F (26.6°C) and a low of 63°F (17.2°C).
What month has the most sunshine in Caledonia?
July has the most sunshine of the year, with an average of 9.7h of sunshine.
What is the least humid month in Caledonia?
The least humid month in Caledonia, Illinois, is October, with an average relative humidity of 75%.
What is the month with the shortest days in Caledonia?
With an average of 9h and 6min of daylight, December has the shortest days of the year in Caledonia.
Average temperature
Caledonia, IL
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.5°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure
Caledonia, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Caledonia, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Caledonia, IL
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Caledonia, IL
- Average rainfall in January:
0.59" - Average rainfall in February:
0.51" - Average rainfall in March:
0.79" - Average rainfall in April:
1.38" - Average rainfall in May:
2.09" - Average rainfall in June:
2.2"
The wettest month (with the highest rainfall) is June (2.2").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days
Caledonia, IL
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
10.6 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
5.3 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.8 days).
Average snowfall
Caledonia, IL
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Caledonia, IL
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
9.3 days - Average snowfall days in March:
5.9 days - Average snowfall days in April:
1.3 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:
0.5 days - Average snowfall days in November:
3 days - Average snowfall days in December:
8 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Caledonia, IL
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days
Caledonia, IL
- Average sunshine days in January:
17.8 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
15.5 days - Average sunshine days in September:
18.1 days - Average sunshine days in October:
18 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index
Caledonia, IL
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Caledonia, IL
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Caledonia, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).