January weather forecastIrvington, NJ
January
Weather in January
In Irvington, New Jersey, the weather takes on the chilly characteristics of a typical northeastern winter during January. As the coldest month of the year, lows often dip to a frigid 23.9°F (-4.5°C). The city witnesses the most significant snowfall, with approximately 0.91" (23mm) of snow occurring on average. The days are shortened, contributing to the winter spell, with sunlight that rarely lasts for much longer than 9.7 hours a day. Wind speeds remain steady, aggravating the cold conditions and emphasizing the importance of keeping warm with appropriate winter wear.Temperature
January, known for its average high temperature of 35.2°F (1.8°C) and an average low temperature of 23.9°F (-4.5°C), is the coldest month.Humidity
In Irvington, the average relative humidity in January is 75%.Rainfall
In Irvington, in January, it is raining for 6.5 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 132.4 rainfall days, and 15.63" (397mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Irvington, in January, snow falls for 4.8 days, with typically accumulated 0.91" (23mm) of snow. In Irvington, during the entire year, snow falls for 18.9 days and aggregates up to 5.08" (129mm) of snow.Daylight
In Irvington, the average length of the day in January is 9h and 39min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:12 pm EST.
Sunshine
In Irvington, the average sunshine in January is 5.1h.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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Irvington, NJ
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Irvington, NJ
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Irvington, NJ
- Average wind speed in January: 8.3mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in January
Irvington, NJ
- Average humidity in January: 75%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Irvington, NJ
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in January
Irvington, NJ
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in January
Irvington, NJ
- Average snowfall in January: 0.91"
The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Irvington, NJ
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Irvington, NJ
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Irvington, NJ
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in January
Irvington, 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
Irvington, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Irvington, 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).





