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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a frosty 48.6°F (9.2°C) in November to a cold 38.8°F (3.8°C). Throughout December, Oak Ridge witnesses a consistent average low-temperature of 27.5°F (-2.5°C).Humidity
In December, the average relative humidity in Oak Ridge is 81%.Rainfall
In Oak Ridge, in December, it is raining for 8.8 days, with typically 1.22" (31mm) of accumulated precipitation. In Oak Ridge, during the entire year, the rain falls for 133 days and collects up to 14.02" (356mm) of precipitation.Snowfall
Months with snowfall in Oak Ridge are January through May, October through December. In Oak Ridge, in December, snow falls for 4.5 days, with typically accumulated 1.02" (26mm) of snow. In Oak Ridge, during the entire year, snow falls for 26.7 days and aggregates up to 6.06" (154mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:39 pm EST.
Sunshine
In December, the average sunshine is 4.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Oak Ridge, New Jersey. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Oak Ridge in December?
What is the average humidity in December in Oak Ridge?
How many days does it rain in December in Oak Ridge?
How many days does it snow in December in Oak Ridge?
What is the month with the shortest days in Oak Ridge?
How many hours of daylight does Oak Ridge have in December?
When is the sunrise / sunset in December in Oak Ridge?
How many hours of sunshine does Oak Ridge have in December?
When is the lowest UV index in Oak Ridge?
How high is the UV index in December in Oak Ridge?
Average temperature in December
Oak Ridge, NJ
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Oak Ridge, 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
Oak Ridge, NJ
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Oak Ridge, NJ
- Average humidity in December: 81%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Oak Ridge, NJ
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Oak Ridge, NJ
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Oak Ridge, NJ
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oak Ridge, NJ
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oak Ridge, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Oak Ridge, NJ
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in December
Oak Ridge, NJ
- Average UV index in December: 2
The month with the highest UV index is June (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
Oak Ridge, NJ
- Average cloud cover in December: 52
The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Oak Ridge, NJ
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Oak Ridge, New Jersey, USA
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