January weather forecastBelleville, WI

January

Weather in January

January, like December, is a freezing cold winter month in Belleville, Wisconsin, with an average temperature fluctuating between 11.7°F (-11.3°C) and 24.4°F (-4.2°C).

Temperature

Belleville's January weather reaches an average high of 24.4°F (-4.2°C) and an average low of 11.7°F (-11.3°C), making it the coldest month.

Humidity

January is the most humid month, with an average relative humidity of 89%.

Rainfall

January is the month with the least rainfall in Belleville, Wisconsin. Rain falls for 3.8 days and accumulates 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. The months with the most snowfall are January and February, with an average 2.52" (64mm) of accumulated snow.

Daylight

The average length of the day in January in Belleville is 9h and 27min.
On the first day of January, sunrise is at 7:28 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:09 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 3.4h of sunshine.

UV index

The months with the lowest UV index in Belleville are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In January, the maximum UV index of 1 transforms into these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is the month that records the lowest temperatures, with averages ranging from a high of 24.4°F (-4.2°C) to a low of 11.7°F (-11.3°C).

The high-temperature during January is 24.4°F (-4.2°C) and the low-temperature is 11.7°F (-11.3°C).

With an average relative humidity of 89%, January is the most humid month.

In Belleville, the average relative humidity in January is 89%.

January is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.55" (14mm) of precipitation.

In January, the rain falls for 3.8 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

The months with the most snowfall are January and February, with an average 2.52" (64mm) of accumulated snow.

In Belleville, in January, during 13 snowfall days, 2.52" (64mm) of snow is typically accumulated.

In Belleville, the average day length in January is 9h and 27min.

On the first day of January in Belleville, sunrise is at 7:28 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:09 pm CST.

With an average of 3.4h of sunshine, January has the least sunshine of the year in Belleville.

In January, the average sunshine duration in Belleville, Wisconsin, is 3.4h.

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Belleville, Wisconsin.

The average daily maximum UV index in January in Belleville is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

30.7°F

24.4°F

28°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.1mph

10.4mph

10.5mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.6

18.3

16.2

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Belleville, WI

Average high temperature in January: 24.4°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.4°F).

Average low temperature in January: 11.7°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

Average pressure in January
Belleville, WI

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
Belleville, WI

Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in January
Belleville, WI

Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in January
Belleville, WI

Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in January
Belleville, WI

Average rainfall days in January: 3.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (3.5 days).

Average snowfall in January
Belleville, WI

Average snowfall in January: 2.52"

The months with the highest snowfall are January and February (2.52").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Belleville, WI

Average snowfall days in January: 13 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Belleville, WI

Average daylight in January: 9h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in January: 3h and 24min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in January
Belleville, WI

Average sunshine days in January: 18.3 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in January
Belleville, WI

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, November and December (UV index 1).

Average cloud cover in January
Belleville, WI

Average cloud cover in January: 65

The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in January
Belleville, WI

Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).