December weather forecastCottageville, NJ
December
Weather in December
The first month of the winter, December, is still a chilly month in Cottageville, New Jersey, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 43.2°F (6.2°C).Temperature
December witnesses a gentle descent in average high-temperature, descending from November's cool 52°F (11.1°C) to a frosty 43.2°F (6.2°C). Cottageville anticipates an average minimum temperature of 32.7°F (0.4°C) in the month of December.Humidity
February, May, October and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Cottageville, during December, the rain falls for 6.5 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, in Cottageville, there are 92.9 rainfall days, and 7.32" (186mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Cottageville, in December, during 2.2 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, there are 12.7 snowfall days, and 1.5" (38mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December is 4.9h.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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cottageville, NJ
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Cottageville, 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
Cottageville, NJ
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Cottageville, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are February, May, October and December (77%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in December
Cottageville, NJ
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (0.94").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Cottageville, NJ
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (10.7 days).
The months with the least rainy days are January and November (4.8 days).
Average snowfall in December
Cottageville, NJ
- Average snowfall in December: 0.35"
The month with the highest snowfall is March (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cottageville, NJ
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.8 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
Cottageville, NJ
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Cottageville, NJ
- Average sunshine days in December: 23 days
The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in December
Cottageville, NJ
- Average UV index in December: 2
The months with the highest UV index are May, 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
Cottageville, NJ
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Cottageville, 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).





