Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a fresh 53.6°F (12°C) in November to a frosty 45.9°F (7.7°C). Barnegat Bay, during the nights of December, averages a temperature close to its daytime high, at a wintry 37°F (2.8°C).Humidity
The average relative humidity in December is 76%.Rainfall
In December, the rain falls for 10.3 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. In Barnegat Bay, during the entire year, the rain falls for 138.1 days and collects up to 17.4" (442mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Barnegat Bay, during December, snow falls for 2.1 days and regularly aggregates up to 0.94" (24mm) of snow. In Barnegat Bay, during the entire year, snow falls for 12.7 days and aggregates up to 3.11" (79mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:41 pm EST.
Sunshine
In Barnegat Bay, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index in Barnegat Bay are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Barnegat Bay have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Barnegat Bay, NJ
- Average high temperature in December: 45.9°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 (39.6°F).
- Average low temperature in December: 37°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Barnegat Bay, 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 (29.94"Hg).
Average wind speed in December
Barnegat Bay, NJ
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in December
Barnegat Bay, NJ
- Average humidity in December: 76%
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 December
Barnegat Bay, NJ
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Barnegat Bay, NJ
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Barnegat Bay, NJ
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Barnegat Bay, NJ
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Barnegat Bay, NJ
- Average daylight in December: 9h and 2min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Barnegat Bay, NJ
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
Barnegat Bay, 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, November and December (UV index 2).
Average cloud cover in December
Barnegat Bay, NJ
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Barnegat Bay, 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).
Barnegat Bay, New Jersey, USA
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