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
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a fresh 54°F (12.2°C) to a frosty 46°F (7.8°C). Throughout December, Northfield's nights experience a slight temperature dip to a cold 37.4°F (3°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In Northfield, in December, it is raining for 9.8 days, with typically 1.61" (41mm) of accumulated precipitation. In Northfield, during the entire year, the rain falls for 140.2 days and collects up to 18.54" (471mm) of precipitation.Snowfall
Months with snowfall in Northfield, New Jersey, are January through April, November and December. In Northfield, during December, snow falls for 2.4 days and regularly aggregates up to 0.67" (17mm) of snow. In Northfield, during the entire year, snow falls for 12.1 days and aggregates up to 3.35" (85mm) of snow.Daylight
December has the shortest days of the year in Northfield, 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 4:35 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December in Northfield is 5.2h.UV index
The months with the lowest UV index in Northfield are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What are the temperatures in Northfield in December?
What is the average humidity in December in Northfield?
How many days does it rain in December in Northfield?
How much does it snow in Northfield in December?
What is the month with the shortest days in Northfield?
What is the average length of the day in December in Northfield?
When is the sunrise / sunset in December in Northfield?
How many hours of sunshine does Northfield have in December?
What are the months with the lowest UV index in Northfield?
What is the UV index intensity in December in Northfield?
Average temperature in December
Northfield, NJ
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 37.4°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Northfield, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Northfield, NJ
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in December
Northfield, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Northfield, NJ
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Northfield, NJ
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Northfield, NJ
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Northfield, NJ
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4 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
Northfield, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Northfield, NJ
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Northfield, 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 and December (UV index 2).
Average cloud cover in December
Northfield, NJ
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Northfield, 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).
Northfield, New Jersey, USA
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