December weather forecastEdgewater, NJ
December
Weather in December
December, the first month of the winter in Edgewater, is also a wintry month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 32.7°F (0.4°C).Temperature
December comes with a decrease in the average high-temperature, falling from a fresh 51.1°F (10.6°C) in November to an icy 42.1°F (5.6°C). During the month of December, an average temperature of 32.7°F (0.4°C) is noted during the nights.Humidity
The average relative humidity in December is 75%.Rainfall
In December, the rain falls for 8.5 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Edgewater, during the entire year, the rain falls for 112.4 days and collects up to 10.2" (259mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. The months with the most snowfall are February, March and December, with an average 0.47" (12mm) of accumulated snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:01 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:38 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk 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:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Edgewater, NJ
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Edgewater, NJ
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Edgewater, NJ
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Edgewater, NJ
- Average humidity in December: 75%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Edgewater, NJ
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Edgewater, NJ
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Edgewater, NJ
- Average snowfall in December: 0.47"
The months with the highest snowfall are February, March and December (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Edgewater, NJ
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (4.2 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
Edgewater, NJ
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 54min
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
Edgewater, NJ
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (16.1 days).
Average UV index in December
Edgewater, 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
Edgewater, 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 30).
Average visibility in December
Edgewater, 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).
