December weather forecastDover Beaches North, NJ
December
Weather in December
The first month of the winter, December, is also a frosty month in Dover Beaches North, New Jersey, with an average temperature ranging between max 45.1°F (7.3°C) and min 37.8°F (3.2°C).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a fresh 53.2°F (11.8°C) in November to a chilly 45.1°F (7.3°C). December records a small disparity from daytime temperatures, marking an average low-temperature of 37.8°F (3.2°C) in Dover Beaches North.Humidity
In Dover Beaches North, the average relative humidity in December is 76%.Rainfall
The month with the most rainfall in Dover Beaches North is December, when the rain falls for 11.8 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Dover Beaches North, during December, snow falls for 1.9 days and regularly aggregates up to 1.1" (28mm) of snow. Throughout the year, there are 13.1 snowfall days, and 4.65" (118mm) of snow is accumulated.Ocean temperature
In Dover Beaches North, the average seawater temperature in December is 48.6°F (9.2°C).Note: Being in 48.6°F (9.2°C) waters at 55.4°F (13°C) is discomforting, but anything below 50°F (10°C) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:59 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December in Dover Beaches North is 5.1h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun is at its strongest around midday, find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dover Beaches North, NJ
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Dover Beaches North, 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
Dover Beaches North, NJ
- Average wind speed in December: 12.9mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).
Average humidity in December
Dover Beaches North, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (81%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in December
Dover Beaches North, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Dover Beaches North, NJ
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Dover Beaches North, NJ
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Dover Beaches North, NJ
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Dover Beaches North, NJ
- Average sea temperature in December: 48.5°F
The best month for swimming (with the highest average sea temperature) is August (75.8°F).
The coldest month (with the lowest average sea temperature) is February (40.8°F).
Average daylight in December /
Average sunshine in December
Dover Beaches North, NJ
- Average daylight in December: 9h and 24min
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 6min
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
Dover Beaches North, NJ
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Dover Beaches North, 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 and December (UV index 2).
Average cloud cover in December
Dover Beaches North, NJ
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Dover Beaches North, 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).
