January weather forecastGreenbriar, NJ
January
Weather in January
January, like December, in Greenbriar, New Jersey, is an icy winter month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 38.8°F (3.8°C).Temperature
During the coldest month, January, temperatures average a high of 38.8°F (3.8°C) and a low of 29.1°F (-1.6°C).Humidity
January, March and November, with an average relative humidity of 74%, are the least humid months in Greenbriar.Rainfall
The month with the least rainfall is January, when the rain falls for 7 days and typically collects 0.94" (24mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. January is the month with the most snowfall. Snow falls for 4.4 days and accumulates 0.91" (23mm) of snow.Daylight
The average length of the day in January in Greenbriar is 9h and 43min.On the first day of January in Greenbriar, New Jersey, sunrise is at 7:18 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:13 pm EST.
Sunshine
In January, the average sunshine is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Greenbriar, NJ
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 29.1°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in January
Greenbriar, 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
Greenbriar, NJ
- Average wind speed in January: 12.2mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in January
Greenbriar, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in January
Greenbriar, NJ
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Greenbriar, NJ
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in January
Greenbriar, NJ
- Average snowfall in January: 0.91"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Greenbriar, NJ
- Average snowfall days in January: 4.4 days
The month with the highest number of snowfall days is January (4.4 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
Greenbriar, NJ
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Greenbriar, NJ
- Average sunshine days in January: 20.2 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in January
Greenbriar, 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, November and December (UV index 2).
Average cloud cover in January
Greenbriar, NJ
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Greenbriar, 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).
