January weather forecastCaledonia, IL
January
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).Temperature
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.Humidity
With an average relative humidity of 86%, January is the most humid month.Rainfall
In Caledonia, Illinois, during January, the rain falls for 3.8 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Caledonia, Illinois, during the entire year, the rain falls for 123.8 days and collects up to 14.49" (368mm) of precipitation.Snowfall
Months with snowfall in Caledonia are January through April, October through December. 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.Daylight
In January, the average length of the day is 9h and 30min.On the first day of January in Caledonia, sunrise is at 7:24 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:07 pm CST.
Sunshine
January and February, with an average of 3.6h of sunshine, are months with the least sunshine in Caledonia.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 1 during January translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Caledonia, IL
- Average high temperature in January: 25.5°F
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).
- Average low temperature in January: 13.5°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 in January
Caledonia, IL
- Average pressure in January: 30.11"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 in January
Caledonia, IL
- Average wind speed in January: 9.6mph
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 in January
Caledonia, IL
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Caledonia, IL
- Average rainfall in January: 0.59"
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 in January
Caledonia, IL
- Average rainfall days in January: 3.8 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 in January
Caledonia, IL
- Average snowfall in January: 1.93"
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 in January
Caledonia, IL
- Average snowfall days in January: 10.3 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 in January /
Average sunshine in January
Caledonia, IL
- Average daylight in January: 9h and 30min
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 36min
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 in January
Caledonia, IL
- Average sunshine days in January: 17.8 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 in January
Caledonia, IL
- Average UV index in January: 1
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 in January
Caledonia, IL
- Average cloud cover in January: 63
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 in January
Caledonia, IL
- Average visibility in January: 5mi
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).





