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
Newark in December experiences a subtle temperature decline, with average high-temperatures reducing from a frosty 46.2°F (7.9°C) in November to an icy 36°F (2.2°C). A mean low-temperature of 27.1°F (-2.7°C) is anticipated during the month of December, a slight step down from the daytime high.Humidity
In December, the average relative humidity is 83%.Rainfall
In Newark, in December, during 7.2 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 133.6 rainfall days, and 14.45" (367mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Newark, in December, snow falls for 10.9 days, with typically accumulated 1.81" (46mm) of snow. In Newark, during the entire year, snow falls for 53.8 days and aggregates up to 10.51" (267mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:20 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Newark have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Newark, NY
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Newark, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Newark, NY
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Newark, NY
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in December
Newark, NY
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Newark, NY
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Newark, NY
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Newark, NY
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Newark, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Newark, NY
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is August (12.3 days).
Average UV index in December
Newark, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Newark, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Newark, NY
- 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).
Newark, New York, USA
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