January weather forecastWyckoff, NJ
January
Weather in January
January, like December, in Wyckoff, New Jersey, is another cold winter month, with temperature in the range of an average low of 21.6°F (-5.8°C) and an average high of 34.5°F (1.4°C).Temperature
In Wyckoff, January records the lowest average temperatures, peaking at 34.5°F (1.4°C) and reaching a low of 21.6°F (-5.8°C).Humidity
In January, the average relative humidity is 77%.Rainfall
In Wyckoff, in January, it is raining for 6.6 days, with typically 1.54" (39mm) of accumulated precipitation. In Wyckoff, New Jersey, during the entire year, the rain falls for 148.6 days and collects up to 26.18" (665mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Wyckoff, during January, snow falls for 6.4 days and regularly aggregates up to 3.43" (87mm) of snow. Throughout the year, there are 25.5 snowfall days, and 15.83" (402mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:21 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in January is 4.8h.UV index
The months with the lowest UV index in Wyckoff are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Wyckoff, NJ
- Average high temperature in January: 34.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Wyckoff, 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
Wyckoff, NJ
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Wyckoff, NJ
- Average humidity in January: 77%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in January
Wyckoff, NJ
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Wyckoff, NJ
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in January
Wyckoff, NJ
- Average snowfall in January: 3.43"
The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Wyckoff, NJ
- Average snowfall days in January: 6.4 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Wyckoff, NJ
- Average daylight in January: 9h and 36min
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: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Wyckoff, NJ
- Average sunshine days in January: 19.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in January
Wyckoff, 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
Wyckoff, NJ
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Wyckoff, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May, June and September (5mi).





