December weather forecastShark River Hills, NJ
December
Weather in December
The first month of the winter, December, is also a frosty month in Shark River Hills, New Jersey, with an average temperature fluctuating between 44.2°F (6.8°C) and 35.8°F (2.1°C).Temperature
With the onset of December, Shark River Hills's average high-temperature slightly adjusts, moderately receding from November's fresh 52.5°F (11.4°C) to a chilly 44.2°F (6.8°C). A minimal decline in temperature from daytime highs is anticipated throughout the December nights, averaging a wintry 35.8°F (2.1°C).Humidity
In December, the average relative humidity in Shark River Hills is 76%.Rainfall
In December, in Shark River Hills, New Jersey, the rain falls for 12.3 days. Throughout December, 3.43" (87mm) of precipitation is accumulated. Throughout the year, in Shark River Hills, there are 161.4 rainfall days, and 32.64" (829mm) of precipitation is accumulated.Snowfall
Months with snowfall in Shark River Hills are January through April, October through December. The months with the most snowfall are January, March and December, with an average 1.1" (28mm) of accumulated snow.Daylight
The month with the shortest days in Shark River Hills is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:30 pm. On the last day of December, in Shark River Hills, New Jersey, sunrise is at 7:18 am and sunset at 4:40 pm EST.
Sunshine
The average sunshine in December is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Shark River Hills. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
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. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shark River Hills, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
Shark River Hills, 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
Shark River Hills, NJ
- Average wind speed in December: 11.3mph
The windiest month (with the highest average wind speed) is January (12mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Shark River Hills, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in December
Shark River Hills, NJ
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Shark River Hills, NJ
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Shark River Hills, NJ
- Average snowfall in December: 1.1"
The months with the highest snowfall are January, March and December (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Shark River Hills, NJ
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shark River Hills, 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
Shark River Hills, NJ
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Shark River Hills, 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
Shark River Hills, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Shark River Hills, 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).





