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
South Hackensack's coldest weather arrives in January, when temperatures average a high of 35.6°F (2°C) and a low of 24.4°F (-4.2°C).Humidity
The average relative humidity in January is 75%.Rainfall
In South Hackensack, during January, the rain falls for 8.5 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 156.4 rainfall days, and 29.65" (753mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In South Hackensack, during January, snow falls for 6.3 days and regularly aggregates up to 2.01" (51mm) of snow. In South Hackensack, during the entire year, snow falls for 22.5 days and aggregates up to 9.17" (233mm) of snow.Daylight
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
In January, the average sunshine 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 low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / 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 intensity in January?
Average temperature in January
South Hackensack, NJ
- Average high temperature in January: 35.6°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in January: 24.4°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 (24.4°F).
Average pressure in January
South 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
South Hackensack, NJ
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in January
South 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
South Hackensack, NJ
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in January
South Hackensack, NJ
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in January
South Hackensack, NJ
- Average snowfall in January: 2.01"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
South Hackensack, NJ
- Average snowfall days in January: 6.3 days
The month with the highest number of snowfall days is February (7.3 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
South 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
South Hackensack, NJ
- Average sunshine days in January: 17.5 days
The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are May and June (12.7 days).
Average UV index in January
South 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
South Hackensack, NJ
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in January
South 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).
South Hackensack, New Jersey, USA
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