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 onset of December entails a subtle temperature shift, as the average high-temperature eases from a cool 54.1°F (12.3°C) in November to a frosty 46°F (7.8°C). South Seaville, in the month of December, notes an average low temperature of 37.9°F (3.3°C), indicating a small decrease from the daytime highs.Humidity
In December, the average relative humidity is 76%.Rainfall
In South Seaville, in December, it is raining for 9.8 days, with typically 1.06" (27mm) of accumulated precipitation. In South Seaville, during the entire year, the rain falls for 130.8 days and collects up to 13.23" (336mm) of precipitation.Snowfall
Months with snowfall in South Seaville are January through March, November and December. In South Seaville, in December, snow falls for 2.5 days, with typically accumulated 0.47" (12mm) of snow. In South Seaville, during the entire year, snow falls for 13.2 days and aggregates up to 1.85" (47mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:36 pm. On the last day of December, in South Seaville, sunrise is at 7:18 am and sunset at 4:46 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in South Seaville, New Jersey. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What are December temperatures in South Seaville?
What is the average humidity in December in South Seaville?
How much does it rain in South Seaville in December?
How much does it snow in South Seaville in December?
What is the month with the shortest days in South Seaville?
What is the average length of the day in December in South Seaville?
When are sunrise and sunset in December in South Seaville?
How many hours of sunshine does South Seaville have in December?
What are the months with the lowest UV index in South Seaville?
What is the UV index intensity in December in South Seaville?
Average temperature in December
South Seaville, NJ
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
South Seaville, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
South Seaville, NJ
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in December
South Seaville, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
South Seaville, NJ
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is August (1.61").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
South Seaville, NJ
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
South Seaville, NJ
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
South Seaville, NJ
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
South Seaville, NJ
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
South Seaville, NJ
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in December
South Seaville, 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 and December (UV index 2).
Average cloud cover in December
South Seaville, NJ
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
South Seaville, 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).
South Seaville, New Jersey, USA
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