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 coldest weather arrives in January, when temperatures average a high of 36°F (2.2°C) and a low of 25°F (-3.9°C).Humidity
In January, the average relative humidity is 74%.Rainfall
In January, in Belleville, the rain falls for 9.5 days. Throughout January, 2.09" (53mm) of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 31.14" (791mm) of precipitation is accumulated.Snowfall
Months with snowfall in Belleville are January through April, November and December. In Belleville, in January, snow falls for 6.9 days, with typically accumulated 1.93" (49mm) of snow. In Belleville, during the entire year, snow falls for 22.7 days and aggregates up to 8.9" (226mm) of snow.Daylight
In Belleville, the average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:20 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:12 pm EST.
Sunshine
In January, the average sunshine in Belleville, New Jersey, is 5.2h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Belleville?
How cold is January in Belleville?
What is the average humidity in January in Belleville?
How much does it rain in Belleville in January?
How much does it snow in Belleville in January?
How many hours of daylight does Belleville have in January?
When is the sunrise / sunset in January in Belleville?
How long on average sun shines in January in Belleville?
When is the lowest UV index in Belleville?
How high is the UV index in January in Belleville?
Average temperature in January
Belleville, NJ
- Average high temperature in January: 36°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in January: 25°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in January
Belleville, NJ
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Belleville, NJ
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in January
Belleville, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).
Average rainfall in January
Belleville, NJ
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Belleville, NJ
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in January
Belleville, NJ
- Average snowfall in January: 1.93"
The month with the highest snowfall is March (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Belleville, NJ
- Average snowfall days in January: 6.9 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Belleville, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Belleville, NJ
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in January
Belleville, NJ
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Belleville, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Belleville, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Belleville, New Jersey, USA
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