January weather forecastOak Ridge, NJ
January
Weather in January
January, like December, in Oak Ridge, New Jersey, is another cold winter month, with an average temperature fluctuating between 33.3°F (0.7°C) and 20.5°F (-6.4°C).Temperature
January is the month when Oak Ridge sees the lowest average temperatures, with a high of 33.3°F (0.7°C) and a low of 20.5°F (-6.4°C).Humidity
The average relative humidity in January is 78%.Rainfall
January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.71" (18mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Oak Ridge, during January, snow falls for 6.9 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, there are 26.7 snowfall days, and 6.06" (154mm) of snow is accumulated.Daylight
In Oak Ridge, the average length of the day in January is 9h and 37min.On the first day of January, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:12 pm EST.
Sunshine
In January, the average sunshine is 4.5h.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 health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Oak Ridge, NJ
- Average high temperature in January: 33.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in January
Oak Ridge, NJ
- Average pressure in January: 30.07"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
Oak Ridge, NJ
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Oak Ridge, NJ
- Average humidity in January: 78%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Oak Ridge, NJ
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in January
Oak Ridge, NJ
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in January
Oak Ridge, NJ
- Average snowfall in January: 1.34"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Oak Ridge, NJ
- Average snowfall days in January: 6.9 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Oak Ridge, 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 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Oak Ridge, NJ
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in January
Oak Ridge, NJ
- Average UV index in January: 2
The month with the highest UV index is June (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
Oak Ridge, NJ
- Average cloud cover in January: 50
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in January
Oak Ridge, NJ
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





