December weather forecast
Tennent, NJ

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Weather in December

December, the first month of the winter in Tennent, is still a chilly month, with an average temperature varying between 34°F (1.1°C) and 43.7°F (6.5°C).

Temperature

During the shift to December, Tennent records a mild decrease in average high-temperature, moving from a fresh 52.3°F (11.3°C) in November to a frosty 43.7°F (6.5°C). Tennent observes an average nighttime low-temperature of 34°F (1.1°C) during the month of December.

Humidity

The average relative humidity in December in Tennent, New Jersey, is 77%.

Rainfall

The months with the most rainfall in Tennent are July and December, with an average 3.7" (94mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Tennent, in December, during 3.8 snowfall days, 1.46" (37mm) of snow is typically accumulated. Throughout the year, there are 20.4 snowfall days, and 8.19" (208mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:31 pm. On the last day of December, in Tennent, New Jersey, sunrise is at 7:19 am and sunset at 4:41 pm EST.

Sunshine

In December, the average sunshine 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 Tennent. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

Is December cold in Tennent?

The high-temperature, in December, in Tennent, is 43.7°F (6.5°C), while the low-temperature averages to 34°F (1.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 84.2°F (29°C).

What is the average humidity in December in Tennent?

The average relative humidity in December is 77%.

What is the rainiest month in Tennent?

The months with the most rainfall are July and December, with an average 3.7" (94mm) of precipitation.

How many days does it rain in December in Tennent?

In December, in Tennent, the rain falls for 12.6 days. Throughout December, 3.7" (94mm) of precipitation is accumulated.

How much does it snow in Tennent in December?

In Tennent, in December, during 3.8 snowfall days, 1.46" (37mm) of snow is typically accumulated.

What is the month with the shortest days in Tennent?

December has the shortest days of the year in Tennent, New Jersey, with an average of 9h and 24min of daylight.

How many hours of daylight does Tennent have in December?

In December, the average day length in Tennent, New Jersey, is 9h and 22min.

What time are sunrise and sunset in December in Tennent?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:31 pm. On the last day of the month, in Tennent, sunrise is at 7:19 am and sunset at 4:41 pm EST.

How many hours of sunshine does Tennent have in December?

In Tennent, New Jersey, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Tennent?

The months with the lowest UV index in Tennent, New Jersey, are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Tennent?

In Tennent, New Jersey, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Tennent, NJ

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).

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Average pressure in December
Tennent, NJ

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).

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Average wind speed in December
Tennent, NJ

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).

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Average humidity in December
Tennent, NJ

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%).

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Average rainfall in December
Tennent, NJ

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").

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Average rainfall days in December
Tennent, NJ

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).

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Average snowfall in December
Tennent, NJ

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").

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Average snowfall days in December
Tennent, NJ

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).

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Average daylight in December /
Average sunshine in December
Tennent, NJ

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).

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Average sunshine days in December
Tennent, NJ

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).

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Average UV index in December
Tennent, NJ

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).

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Average cloud cover in December
Tennent, NJ

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).

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Average visibility in December
Tennent, NJ

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).

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Tennent, New Jersey, USA

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