January weather forecast
Caledonia, IL

Share

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.
[Resources]

Frequently asked questions

What is the coldest time of year in Caledonia?

January is the month when Caledonia, Illinois, 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).

How cold is it in Caledonia in January?

The high-temperature, in January, in Caledonia, is 25.5°F (-3.6°C), while the low-temperature averages to 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 in Caledonia.

What is the average humidity in January in Caledonia?

The average relative humidity in January is 86%.

How much does it rain in Caledonia in January?

In Caledonia, in January, during 3.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

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 January in Caledonia?

In Caledonia, in January, during 10.3 snowfall days, 1.93" (49mm) of snow is typically accumulated.

What is the average length of the day in January in Caledonia?

The average day length in January in Caledonia is 9h and 30min.

When are sunrise and sunset in January in Caledonia?

In January, on the first day of the month, sunrise is at 7:24 am and sunset at 4:33 pm. On the last day of the month, in Caledonia, sunrise is at 7:10 am and sunset at 5:07 pm CST.

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.

How many hours of sunshine does Caledonia have in January?

In January, the average sunshine duration is 3.6h.

What are the months with the lowest UV index in Caledonia?

The months with the lowest UV index in Caledonia are January and December, with an average maximum UV index of 1.

What is the UV index intensity in January in Caledonia?

The average daily maximum UV index in January in Caledonia, Illinois, is 1. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Caledonia, IL

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).

[Resources]

Average pressure in January
Caledonia, IL

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).

[Resources]

Average wind speed in January
Caledonia, IL

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).

[Resources]

Average humidity in January
Caledonia, IL

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%).

[Resources]

Average rainfall in January
Caledonia, IL

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").

[Resources]

Average rainfall days in January
Caledonia, IL

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).

[Resources]

Average snowfall in January
Caledonia, IL

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").

[Resources]

Average snowfall days in January
Caledonia, IL

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).

[Resources]

Average daylight in January /
Average sunshine in January
Caledonia, IL

Average daylight in January / Average sunshine in January - Caledonia, IL
  • Average daylight in January: 9h and 3min

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

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).

[Resources]

Average sunshine days in January
Caledonia, IL

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).

[Resources]

Average UV index in January
Caledonia, IL

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).

[Resources]

Average cloud cover in January
Caledonia, IL

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).

[Resources]

Average visibility in January
Caledonia, IL

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).

[Resources]

Caledonia, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location