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 sea temperature 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
Bayonne's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 51.4°F (10.8°C) to a cold 42.6°F (5.9°C). Bayonne records a steady low-temperature average of 33.4°F (0.8°C) during December.Humidity
February, May and December, with an average relative humidity of 76%, are the most humid months.Rainfall
The months with the most rainfall are July and December, with an average 3.35" (85mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 3.8 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Bayonne, during the entire year, snow falls for 20.2 days and aggregates up to 7.6" (193mm) of snow.Ocean temperature
In December, the average ocean temperature is 47.1°F (8.4°C).Note: Caution: 47.1°F (8.4°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:39 pm EST.
Sunshine
In Bayonne, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How many days does it snow in December?
How cold is the water in December in Bayonne?
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 Bayonne have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Bayonne, NJ
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in December: 33.4°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 (26.1°F).
Average pressure in December
Bayonne, 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
Bayonne, NJ
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Bayonne, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are February, May and December (76%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Bayonne, NJ
- Average rainfall in December: 3.35"
The wettest months (with the highest rainfall) are July and December (3.35").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Bayonne, NJ
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Bayonne, NJ
- Average snowfall in December: 1.38"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Bayonne, NJ
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Bayonne, NJ
- Average sea temperature in December: 47.2°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in December /
Average sunshine in December
Bayonne, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Bayonne, NJ
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Bayonne, 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
Bayonne, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Bayonne, 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).
Bayonne, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location