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
December ushers in a slight temperature change, with average high-temperatures reducing from November's cool 50.9°F (10.5°C) to an icy 41.9°F (5.5°C). December nights observe an average temperature dip to 32.5°F (0.3°C).Humidity
February and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In University Heights, during December, the rain falls for 7.1 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 106.1 rainfall days, and 8.31" (211mm) of precipitation is accumulated.Snowfall
January through April and December are months with snowfall in University Heights. December is the month with the most snowfall. Snow falls for 2.5 days and accumulates 0.35" (9mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.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 4:39 pm EST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does University Heights have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does University Heights have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
University Heights, NJ
- Average high temperature in December: 41.9°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 (35.8°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
University Heights, NJ
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
University Heights, NJ
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in December
University Heights, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
University Heights, NJ
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in December
University Heights, NJ
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
University Heights, NJ
- Average snowfall in December: 0.35"
The month with the highest snowfall is December (0.35").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in December
University Heights, NJ
- Average snowfall days in December: 2.5 days
The months with the highest number of snowfall days are January and February (3.3 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
University Heights, NJ
- Average daylight in December: 9h and 2min
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 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
University Heights, NJ
- Average sunshine days in December: 21.1 days
The month with the most sunshine days is January (22.5 days).
The months with the least sunshine days are May and June (15.9 days).
Average UV index in December
University Heights, 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
University Heights, NJ
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
University Heights, 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).
University Heights, New Jersey, USA
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