Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Belleville?
How cold is January in Belleville?
What is the most humid month in Belleville?
What is the average humidity in January in Belleville?
What is the driest month in Belleville?
How many days does it rain in January in Belleville?
What is the snowiest month in Belleville?
How many days does it snow in January in Belleville?
How many hours of daylight does Belleville have in January?
When are sunrise and sunset in January in Belleville?
What is the month with the least sunshine in Belleville?
How long on average sun shines in January in Belleville?
What are the months with the lowest UV index in Belleville?
How high is the UV index in January in Belleville?
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 3min
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 2min
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).
Belleville, Wisconsin, USA
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