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 implies a gentle temperature shift, with average high-temperatures reducing from November's cool 52.7°F (11.5°C) to a chilly 43.7°F (6.5°C). Robbinsville, during the month of December, experiences an average low-temperature of 32.2°F (0.1°C).Humidity
In December, the average relative humidity in Robbinsville is 78%.Rainfall
In December, in Robbinsville, the rain falls for 10.3 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, in Robbinsville, there are 152.9 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Robbinsville, New Jersey, during December, snow falls for 3 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 17.7 snowfall days, and 8.43" (214mm) of snow is accumulated.Daylight
The month with the shortest days in Robbinsville is December, with an average of 9h and 24min of daylight.On the first day of December in Robbinsville, New Jersey, sunrise is at 7:02 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:42 pm EST.
Sunshine
The average sunshine in December in Robbinsville is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Robbinsville, New Jersey. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold does it get in Robbinsville in December?
What is the average humidity in December in Robbinsville?
How much does it rain in Robbinsville in December?
How much does it snow in Robbinsville in December?
What is the month with the shortest days in Robbinsville?
What is the average length of the day in December in Robbinsville?
When is the sunrise / sunset in December in Robbinsville?
How long on average sun shines in December in Robbinsville?
When is the lowest UV index in Robbinsville?
What is the UV index reading in December in Robbinsville?
Average temperature in December
Robbinsville, NJ
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Robbinsville, 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
Robbinsville, NJ
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Robbinsville, NJ
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Robbinsville, NJ
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Robbinsville, NJ
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Robbinsville, NJ
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (3.11").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Robbinsville, NJ
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (5.3 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
Robbinsville, 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 24min).
- Average sunshine in December: 5h and 1min
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 48min).
Average sunshine days in December
Robbinsville, NJ
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Robbinsville, 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, February, November and December (UV index 2).
Average cloud cover in December
Robbinsville, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Robbinsville, 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).
Robbinsville, New Jersey, USA
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