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
Passaic's temperature records reveal January as the coldest month, marked by average highs of 35.4°F (1.9°C) and lows of 24.1°F (-4.4°C).Humidity
The average relative humidity in January is 75%.Rainfall
In January, the rain falls for 7.5 days. Throughout January, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 150.9 rainfall days, and 25.28" (642mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Passaic, in January, during 5.5 snowfall days, 1.73" (44mm) of snow is typically accumulated. Throughout the year, there are 20 snowfall days, and 8.07" (205mm) of snow is accumulated.Daylight
The average length of the day in January in Passaic 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 5:11 pm EST.
Sunshine
In January, the average sunshine in Passaic 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 low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the coldest time of year in Passaic?
How cold is January in Passaic?
What is the average humidity in January in Passaic?
How much does it rain in Passaic in January?
How much does it snow in Passaic in January?
What is the average length of the day in January in Passaic?
When is the sunrise / sunset in January in Passaic?
How many hours of sunshine does Passaic have in January?
When is the lowest UV index in Passaic?
What is the UV index reading in January in Passaic?
Average temperature in January
Passaic, NJ
- Average high temperature in January: 35.4°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 (35.4°F).
- Average low temperature in January: 24.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in January
Passaic, 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
Passaic, 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 months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in January
Passaic, 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 (71%).
Average rainfall in January
Passaic, NJ
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in January
Passaic, NJ
- Average rainfall days in January: 7.5 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in January
Passaic, NJ
- Average snowfall in January: 1.73"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Passaic, NJ
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is February (5.9 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
Passaic, 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
Passaic, NJ
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in January
Passaic, 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
Passaic, NJ
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Passaic, 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).
Passaic, New Jersey, USA
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