December weather forecastWhitehouse, NJ
December
Weather in December
The first month of the winter, December, is also a wintry month in Whitehouse, New Jersey, with an average temperature ranging between min 30°F (-1.1°C) and max 41.9°F (5.5°C).Temperature
December is characterized by a reduction in the average high-temperature, from a fresh 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). Whitehouse, during December, witnesses an average low-temperature of 30°F (-1.1°C).Humidity
The average relative humidity in December in Whitehouse is 79%.Rainfall
The month with the most rainfall in Whitehouse is December, when the rain falls for 11.5 days and typically aggregates up to 3.11" (79mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Whitehouse. In Whitehouse, during December, snow falls for 4.3 days and regularly aggregates up to 1.89" (48mm) of snow. In Whitehouse, during the entire year, snow falls for 25.8 days and aggregates up to 11.38" (289mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Whitehouse.On the first day of December, sunrise is at 7:03 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:42 pm EST.
Sunshine
In Whitehouse, 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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Whitehouse, NJ
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Whitehouse, 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
Whitehouse, NJ
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Whitehouse, 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
Whitehouse, NJ
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Whitehouse, NJ
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Whitehouse, NJ
- Average snowfall in December: 1.89"
The month with the highest snowfall is March (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Whitehouse, NJ
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Whitehouse, NJ
- Average daylight in December: 9h and 18min
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 54min
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 36min).
Average sunshine days in December
Whitehouse, NJ
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in December
Whitehouse, 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
Whitehouse, NJ
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Whitehouse, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





