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
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 52.3°F (11.3°C) to a frosty 43.7°F (6.5°C). An average low-temperature of 34°F (1.1°C) is recorded in the month of December in Tennent.Humidity
The average relative humidity in December is 77%.Rainfall
The months with the most rainfall are July and December, with an average 3.7" (94mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Tennent, in December, snow falls for 3.8 days, with typically accumulated 1.46" (37mm) of snow. In Tennent, during the entire year, snow falls for 20.4 days and aggregates up to 8.19" (208mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December 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. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Tennent have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Tennent, NJ
- Average high temperature in December: 43.7°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 (37.8°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Tennent, 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
Tennent, NJ
- Average wind speed in December: 9.7mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Tennent, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March and April (74%).
Average rainfall in December
Tennent, NJ
- Average rainfall in December: 3.7"
The wettest months (with the highest rainfall) are July and December (3.7").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Tennent, NJ
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in December
Tennent, NJ
- Average snowfall in December: 1.46"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tennent, NJ
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tennent, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Tennent, NJ
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Tennent, 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, November and December (UV index 2).
Average cloud cover in December
Tennent, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Tennent, 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).
Tennent, New Jersey, USA
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