December weather forecastWest Belmar, NJ
December
Weather in December
December, the first month of the winter in West Belmar, is also a frosty month, with an average temperature varying between 35.8°F (2.1°C) and 44.2°F (6.8°C).Temperature
The shift from November to December includes a small decrease in the average high-temperature, from a cool 52.5°F (11.4°C) to a chilly 44.2°F (6.8°C). A minimal decline in temperature from daytime highs is anticipated in West Belmar throughout the December nights, averaging an icy 35.8°F (2.1°C).Humidity
The average relative humidity in December in West Belmar is 76%.Rainfall
In West Belmar, during December, the rain falls for 12.3 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 161.4 rainfall days, and 32.64" (829mm) of precipitation is accumulated.Snowfall
Months with snowfall in West Belmar are January through April, October through December. The months with the most snowfall are January, March and December, with an average 1.1" (28mm) of accumulated snow.Daylight
December has the shortest days of the year in West Belmar, New Jersey, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:30 pm. On the last day of December, in West Belmar, New Jersey, sunrise is at 7:18 am and sunset at 4:40 pm EST.
Sunshine
In December, the average sunshine in West Belmar is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Belmar, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
West Belmar, 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
West Belmar, NJ
- Average wind speed in December: 11.3mph
The windiest month (with the highest average wind speed) is January (12mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
West Belmar, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in December
West Belmar, NJ
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
West Belmar, NJ
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
West Belmar, NJ
- Average snowfall in December: 1.1"
The months with the highest snowfall are January, March and December (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
West Belmar, NJ
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Belmar, NJ
- Average daylight in December: 9h and 24min
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 December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
West Belmar, NJ
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
West Belmar, 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
West Belmar, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
West Belmar, 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).





