January weather forecastCaroline, WI
January
Weather in January
January, like December, is another subzero cold winter month in Caroline, Wisconsin, with an average temperature ranging between max 21.7°F (-5.7°C) and min 10.8°F (-11.8°C).Temperature
The month of January, characterized by an average high of 21.7°F (-5.7°C) and a low of 10.8°F (-11.8°C), is recognized as the coldest.Humidity
The most humid month is January, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.79" (20mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 11.8 days. Throughout January, 4.13" (105mm) of snow is accumulated. In Caroline, during the entire year, snow falls for 51.8 days and aggregates up to 17.28" (439mm) of snow.Daylight
In January, the average length of the day is 9h and 16min.On the first day of January, sunrise is at 7:32 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:02 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 1 in January translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Caroline, WI
- Average high temperature in January: 21.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.7°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Caroline, WI
- Average pressure in January: 30.09"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Caroline, WI
- Average wind speed in January: 9.2mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in January
Caroline, WI
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Caroline, WI
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in January
Caroline, WI
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in January
Caroline, WI
- Average snowfall in January: 4.13"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Caroline, WI
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Caroline, WI
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Caroline, WI
- Average sunshine days in January: 18.5 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Caroline, WI
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Caroline, WI
- 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 July (Cloud cover 33).
Average visibility in January
Caroline, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).





