December weather forecastBelle Mead, NJ
December
Weather in December
December, the first month of the winter in Belle Mead, is also an icy month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 42.1°F (5.6°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's cool 51.1°F (10.6°C) to an icy 42.1°F (5.6°C). In Belle Mead, the average low-temperature during the month of December is a subzero cold 30.7°F (-0.7°C).Humidity
The months with the highest humidity in Belle Mead are February, October and December, with an average relative humidity of 79%.Rainfall
In Belle Mead, in December, it is raining for 7.7 days, with typically 0.98" (25mm) of accumulated precipitation. In Belle Mead, during the entire year, the rain falls for 113.9 days and collects up to 10.83" (275mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Belle Mead, New Jersey, during December, snow falls for 2.6 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, in Belle Mead, there are 15.6 snowfall days, and 3.19" (81mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:03 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:42 pm EST.
Sunshine
The average sunshine in December in Belle Mead is 4.8h.UV index
The months with the lowest UV index in Belle Mead are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Belle Mead, NJ
- Average high temperature in December: 42.1°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 (35.6°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Belle Mead, 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
Belle Mead, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Belle Mead, NJ
- Average humidity in December: 79%
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Belle Mead, NJ
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in December
Belle Mead, NJ
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Belle Mead, NJ
- Average snowfall in December: 0.63"
The month with the highest snowfall is March (0.87").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Belle Mead, NJ
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Belle Mead, 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 48min
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 36min).
Average sunshine days in December
Belle Mead, NJ
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is May (14.8 days).
Average UV index in December
Belle Mead, 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
Belle Mead, NJ
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Belle Mead, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
