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
January is the coldest month, exhibiting average temperatures of 35.4°F (1.9°C) at the peak and 24.3°F (-4.3°C) at the base.Humidity
In Hackensack, the average relative humidity in January is 75%.Rainfall
In Hackensack, in January, during 7.7 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 149.3 rainfall days, and 22.36" (568mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Hackensack, during January, snow falls for 5.2 days and regularly aggregates up to 1.22" (31mm) of snow. Throughout the year, there are 19.4 snowfall days, and 4.96" (126mm) of snow is accumulated.Daylight
In Hackensack, 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 4:38 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Hackensack?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Hackensack, NJ
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Hackensack, 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
Hackensack, NJ
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in January
Hackensack, NJ
- Average humidity in January: 75%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Hackensack, NJ
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in January
Hackensack, NJ
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in January
Hackensack, NJ
- Average snowfall in January: 1.22"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Hackensack, NJ
- Average snowfall days in January: 5.2 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Hackensack, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Hackensack, NJ
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in January
Hackensack, 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
Hackensack, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in January
Hackensack, 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).
Hackensack, New Jersey, USA
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