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
With December's onset, the average high-temperature recedes from November's cool 53.2°F (11.8°C) to a frosty 44.1°F (6.7°C). In Deepwater, an average nighttime temperature of 33.1°F (0.6°C) is expected during December.Humidity
In December, the average relative humidity in Deepwater is 77%.Rainfall
In Deepwater, during December, the rain falls for 10.1 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Deepwater, New Jersey, there are 150.6 rainfall days, and 26.46" (672mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Deepwater. In Deepwater, New Jersey, in December, during 2.9 snowfall days, 0.98" (25mm) of snow is typically accumulated. Throughout the year, there are 16.2 snowfall days, and 6.93" (176mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Deepwater, sunrise is at 7:04 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:47 pm EST.
Sunshine
The average sunshine in December in Deepwater is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Deepwater?
What is the average humidity in December in Deepwater?
How many days does it rain in December in Deepwater?
How much does it snow in Deepwater in December?
What is the month with the shortest days in Deepwater?
How many hours of daylight does Deepwater have in December?
What time are sunrise and sunset in December in Deepwater?
How long on average sun shines in December in Deepwater?
What are the months with the lowest UV index in Deepwater?
How high is the UV index in December in Deepwater?
Average temperature in December
Deepwater, NJ
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
Deepwater, NJ
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Deepwater, NJ
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Deepwater, NJ
- Average humidity in December: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Deepwater, NJ
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is August (2.68").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Deepwater, NJ
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Deepwater, NJ
- Average snowfall in December: 0.98"
The month with the highest snowfall is March (2.2").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Deepwater, NJ
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Deepwater, NJ
- Average daylight in December: 9h and 2min
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 24min).
- 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
Deepwater, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Deepwater, NJ
- Average UV index in December: 2
The months with the highest UV index are May, 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
Deepwater, NJ
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Deepwater, 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).
Deepwater, New Jersey, USA
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