January weather forecast
Irvington, NJ

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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.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

The lowest temperatures are recorded in January, with averages reaching a high of 35.2°F (1.8°C) and a low of 23.9°F (-4.5°C).

How cold is January?

The high-temperature during January is 35.2°F (1.8°C) and the low-temperature is 23.9°F (-4.5°C).

What is the average humidity in January?

In January, the average relative humidity is 75%.

How much does it rain in Irvington in January?

In January, in Irvington, the rain falls for 6.5 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

How many days does it snow in January?

In Irvington, during January, snow falls for 4.8 days and regularly aggregates up to 0.91" (23mm) of snow.

How many hours of daylight does Irvington have in January?

The average day length in January is 9h and 39min.

When is the sunrise / sunset in January?

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.

How long on average sun shines in January?

The average sunshine duration in January is 5.1h.

What is the month with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in January?

In Irvington, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Irvington, NJ

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in January - Irvington, NJ
  • Average daylight in January: 9h and 4min

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 1min

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 - 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 - 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 - 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 - 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).

Irvington, New Jersey, USA

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