January weather forecastSouth Seaville, NJ
January
Weather in January
January, like December, in South Seaville, New Jersey, is a wintry winter month, with an average temperature varying between 40.1°F (4.5°C) and 31.3°F (-0.4°C).Temperature
The coldest month is January, with an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 31.3°F (-0.4°C).Humidity
In South Seaville, the average relative humidity in January is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 7 days and typically collects 0.67" (17mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall is January, when snow falls for 4.7 days and typically aggregates up to 0.59" (15mm) of snow.Daylight
The average length of the day in January in South Seaville is 9h and 47min.On the first day of January, sunrise is at 7:18 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:18 pm EST.
Sunshine
In January, the average sunshine is 5.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in South Seaville. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
South Seaville, NJ
- Average high temperature in January: 40.1°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in January: 31.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in January
South Seaville, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
South Seaville, NJ
- Average wind speed in January: 11.9mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in January
South Seaville, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in January
South Seaville, NJ
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in January
South Seaville, NJ
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7 days).
Average snowfall in January
South Seaville, NJ
- Average snowfall in January: 0.59"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
South Seaville, NJ
- Average snowfall days in January: 4.7 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
South Seaville, NJ
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
South Seaville, NJ
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in January
South Seaville, 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 and December (UV index 2).
Average cloud cover in January
South Seaville, NJ
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in January
South Seaville, 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).
