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
Wallington observes a minor decrease in the average high-temperature with the arrival of December, falling from November's cool 50.9°F (10.5°C) to a cold 41.7°F (5.4°C). Wallington in December experiences a low-temperature average of 31.1°F (-0.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 77%.Rainfall
In Wallington, in December, during 10.4 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Wallington, during the entire year, the rain falls for 150.9 days and collects up to 25.28" (642mm) of precipitation.Snowfall
Months with snowfall in Wallington are January through April, November and December. In Wallington, in December, snow falls for 3.5 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, there are 20 snowfall days, and 8.07" (205mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:29 pm. On the last day of December, 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Wallington?
How many hours of daylight does Wallington have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Wallington have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Wallington?
Average temperature in December
Wallington, NJ
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Wallington, NJ
- Average pressure in December: 30.07"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
Wallington, NJ
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Wallington, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Wallington, NJ
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in December
Wallington, NJ
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Wallington, NJ
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wallington, NJ
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.9 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
Wallington, NJ
- Average daylight in December: 9h and 2min
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 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Wallington, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Wallington, 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
Wallington, NJ
- Average cloud cover in December: 47
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Wallington, 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).
Wallington, New Jersey, USA
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