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 move into December indicates a slight reduction in the average high-temperature, down from November's cool 52.3°F (11.3°C) to a frosty 44.2°F (6.8°C). Atlantic Highlands's nights throughout December are marked by an average low temperature of 36°F (2.2°C), a minor drop from the day's high.Humidity
The average relative humidity in December is 75%.Rainfall
In Atlantic Highlands, in December, it is raining for 9.2 days, with typically 1.18" (30mm) of accumulated precipitation. In Atlantic Highlands, during the entire year, the rain falls for 125.1 days and collects up to 12.64" (321mm) of precipitation.Snowfall
January through March, October and December are months with snowfall. December is the month with the most snowfall. Snow falls for 3.3 days and accumulates 0.47" (12mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:39 pm EST.
Sunshine
In Atlantic Highlands, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Atlantic Highlands have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Atlantic Highlands have in December?
What are the months with the lowest UV index in Atlantic Highlands?
What is the UV index intensity in December?
Average temperature in December
Atlantic Highlands, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Atlantic Highlands, 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
Atlantic Highlands, NJ
- Average wind speed in December: 11.7mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Atlantic Highlands, NJ
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Atlantic Highlands, NJ
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Atlantic Highlands, NJ
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Atlantic Highlands, NJ
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").
Average snowfall days in December
Atlantic Highlands, NJ
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Atlantic Highlands, 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 1min
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
Atlantic Highlands, NJ
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Atlantic Highlands, 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
Atlantic Highlands, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Atlantic Highlands, 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).
Atlantic Highlands, New Jersey, USA
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