December weather forecastCliffwood Beach, NJ
December
Weather in December
December, the first month of the winter in Cliffwood Beach, is also a frosty month, with an average temperature varying between 43.5°F (6.4°C) and 34.2°F (1.2°C).Temperature
December is characterized by a mild reduction in the average high-temperature, from a cool 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). Cliffwood Beach in December anticipates an average nighttime temperature of 34.2°F (1.2°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Cliffwood Beach, New Jersey, during December, the rain falls for 10.7 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Cliffwood Beach, during the entire year, the rain falls for 153 days and collects up to 28.7" (729mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Cliffwood Beach, during December, snow falls for 3.1 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, in Cliffwood Beach, there are 16.9 snowfall days, and 6.34" (161mm) of snow is accumulated.Ocean temperature
In Cliffwood Beach, in December, the average water temperature is 48°F (8.9°C).Note: Navigating the 48°F (8.9°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
December has the shortest days of the year in Cliffwood Beach, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:40 pm EST.
Sunshine
In Cliffwood Beach, New Jersey, the average sunshine in December is 5h.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 unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cliffwood Beach, NJ
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in December
Cliffwood Beach, 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
Cliffwood Beach, NJ
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Cliffwood Beach, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (77%).
The months with the lowest relative humidity are March, April, August and November (73%).
Average rainfall in December
Cliffwood Beach, NJ
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Cliffwood Beach, NJ
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Cliffwood Beach, NJ
- Average snowfall in December: 0.83"
The month with the highest snowfall is March (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cliffwood Beach, NJ
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Cliffwood Beach, NJ
- Average sea temperature in December: 48.1°F
The best month for swimming (with the highest average sea temperature) is August (74.8°F).
The coldest month (with the lowest average sea temperature) is February (40.4°F).
Average daylight in December /
Average sunshine in December
Cliffwood Beach, 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: 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 48min).
Average sunshine days in December
Cliffwood Beach, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Cliffwood Beach, 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
Cliffwood Beach, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Cliffwood Beach, 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).
