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
In December, the average high-temperature marginally drops from a cool 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). An average nighttime temperature of 34.2°F (1.2°C) is observed in Union Beach during December.Humidity
In Union Beach, the average relative humidity in December is 76%.Rainfall
In Union Beach, in December, during 10.7 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Union Beach, during the entire year, the rain falls for 153 days and collects up to 28.7" (729mm) of precipitation.Snowfall
Months with snowfall in Union Beach are January through April, November and December. In Union Beach, in December, during 3.1 snowfall days, 0.83" (21mm) of snow is typically accumulated. In Union Beach, New Jersey, during the entire year, snow falls for 16.9 days and aggregates up to 6.34" (161mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Union Beach, New Jersey.On the first day of December in Union Beach, New Jersey, sunrise is at 7:01 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:40 pm EST.
Sunshine
In Union Beach, the average sunshine in December is 5h.UV index
The months with the lowest UV index in Union Beach, New Jersey, 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Union Beach?
What is the average humidity in December in Union Beach?
How much does it rain in Union Beach in December?
How much does it snow in Union Beach in December?
What is the month with the shortest days in Union Beach?
What is the average length of the day in December in Union Beach?
When is the sunrise / sunset in December in Union Beach?
How long on average sun shines in December in Union Beach?
What are the months with the lowest UV index in Union Beach?
What is the UV index reading in December in Union Beach?
Average temperature in December
Union 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
Union 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
Union 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
Union 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
Union 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
Union 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
Union 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
Union 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 daylight in December /
Average sunshine in December
Union Beach, 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 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
Union 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
Union 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
Union 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
Union 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).
Union Beach, New Jersey, USA
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