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
A modest decline in the average high-temperature is seen during December, decreasing from a fresh 53.4°F (11.9°C) in November to a frosty 44.6°F (7°C). Sicklerville witnesses an average low-temperature of 33.8°F (1°C) throughout the month of December.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 7.9 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 115.1 rainfall days, and 11.97" (304mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Sicklerville, in December, during 2.4 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Sicklerville, during the entire year, snow falls for 13.1 days and aggregates up to 3.5" (89mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:45 pm EST.
Sunshine
In Sicklerville, the average sunshine in December 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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Sicklerville have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Sicklerville, NJ
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Sicklerville, NJ
- Average pressure in December: 30.09"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
Sicklerville, NJ
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Sicklerville, 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 (71%).
Average rainfall in December
Sicklerville, NJ
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Sicklerville, NJ
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Sicklerville, NJ
- Average snowfall in December: 0.28"
The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Sicklerville, NJ
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4 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
Sicklerville, 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: 5h and 0min).
Average sunshine days in December
Sicklerville, NJ
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Sicklerville, 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
Sicklerville, NJ
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Sicklerville, 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).
Sicklerville, New Jersey, USA
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