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 onset of December entails a temperature shift, as the average high-temperature decreases from a cool 50.4°F (10.2°C) in November to an icy 41.2°F (5.1°C). In the month of December, an average of 29.7°F (-1.3°C) marks the low-temperature.Humidity
In Liberty Corner, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. Throughout the year, in Liberty Corner, there are 155.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Liberty Corner, during December, snow falls for 3.7 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, in Liberty Corner, there are 24.7 snowfall days, and 10.83" (275mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Liberty Corner.On the first day of December, sunrise is at 7:03 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:41 pm EST.
Sunshine
In Liberty Corner, the average sunshine in December is 4.8h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold is it in Liberty Corner in December?
What is the average humidity in December in Liberty Corner?
How many days does it rain in December in Liberty Corner?
How much does it snow in Liberty Corner in December?
What is the month with the shortest days in Liberty Corner?
How many hours of daylight does Liberty Corner have in December?
When are sunrise and sunset in December in Liberty Corner?
How long on average sun shines in December in Liberty Corner?
What are the months with the lowest UV index in Liberty Corner?
What is the UV index intensity in December in Liberty Corner?
Average temperature in December
Liberty Corner, NJ
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Liberty Corner, NJ
- Average pressure in December: 30.08"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
Liberty Corner, NJ
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Liberty Corner, NJ
- Average humidity in December: 79%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Liberty Corner, NJ
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Liberty Corner, NJ
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Liberty Corner, NJ
- Average snowfall in December: 1.34"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Liberty Corner, NJ
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (7.2 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
Liberty Corner, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Liberty Corner, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Liberty Corner, 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
Liberty Corner, NJ
- Average cloud cover in December: 49
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Liberty Corner, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are May, June and September (5mi).
Liberty Corner, New Jersey, USA
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