December weather forecastKearny, NJ
December
Weather in December
December, the first month of the winter in Kearny, is also an icy month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 32.7°F (0.4°C).Temperature
In the transition to December, Kearny observes a drop in the average high-temperature, moving from a cool 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). An average low-temperature of 32.7°F (0.4°C) marks the nights throughout December.Humidity
February and December, with an average relative humidity of 77%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 12.2 days and accumulates 3.23" (82mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Kearny, in December, during 3.7 snowfall days, 1.42" (36mm) of snow is typically accumulated. In Kearny, during the entire year, snow falls for 22.7 days and aggregates up to 8.9" (226mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:29 pm. On the last day of December, in Kearny, sunrise is at 7:20 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December is 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Warning! The reflection from snow can nearly 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 December
Kearny, NJ
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Kearny, NJ
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Kearny, NJ
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in December
Kearny, NJ
- Average humidity in December: 77%
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 December
Kearny, NJ
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Kearny, NJ
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Kearny, NJ
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Kearny, NJ
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Kearny, NJ
- Average daylight in December: 9h and 18min
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 December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Kearny, NJ
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Kearny, NJ
- Average UV index in December: 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 December
Kearny, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Kearny, NJ
- Average visibility in December: 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).
