December weather forecast
Wyoming, NJ

Share

Weather in December

The first month of the winter, December, is still a cold month in Wyoming, New Jersey, with an average temperature ranging between min 32.4°F (0.2°C) and max 41.9°F (5.5°C).

Temperature

Wyoming's transition into December involves a shift in temperature, receding from a cool 50.9°F (10.5°C) in November to a wintry 41.9°F (5.5°C). Wyoming's nighttime temperature during December is consistently averaged at 32.4°F (0.2°C).

Humidity

The months with the highest humidity in Wyoming are February and December, with an average relative humidity of 77%.

Rainfall

In Wyoming, during December, the rain falls for 7.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Wyoming, during the entire year, the rain falls for 117.5 days and collects up to 9.17" (233mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Wyoming, during December, snow falls for 2.5 days and regularly aggregates up to 0.2" (5mm) of snow. In Wyoming, during the entire year, snow falls for 16.7 days and aggregates up to 1.97" (50mm) 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 December, sunrise is at 7:02 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:39 pm EST.

Sunshine

In December, the average sunshine in Wyoming, New Jersey, is 4.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

How cold does it get in December?

An average high-temperature, in December, in Wyoming, is 41.9°F (5.5°C) and the average low-temperature is 32.4°F (0.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What are the most humid months?

February and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in December?

In Wyoming, the average relative humidity in December is 77%.

How much does it rain in December?

In December, the rain falls for 7.4 days. Throughout December, 0.83" (21mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 2.5 days. Throughout December, 0.2" (5mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does Wyoming have in December?

The average day length in December is 9h and 19min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:02 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:39 pm EST.

How long on average sun shines in December?

In Wyoming, New Jersey, the average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

In Wyoming, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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
Wyoming, NJ

Average temperature in December - Wyoming, NJ
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in December: 32.4°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in December
Wyoming, NJ

Average pressure in December - Wyoming, 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
Wyoming, NJ

Average wind speed in December - Wyoming, NJ
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in December
Wyoming, NJ

Average humidity in December - Wyoming, NJ
  • Average humidity in December: 77%

The months with the highest relative humidity are February and December (77%).
The months with the lowest relative humidity are April and August (72%).

Average rainfall in December
Wyoming, NJ

Average rainfall in December - Wyoming, NJ
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in December
Wyoming, NJ

Average rainfall days in December - Wyoming, NJ
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in December
Wyoming, NJ

Average snowfall in December - Wyoming, NJ
  • Average snowfall in December: 0.2"

The month with the highest snowfall is March (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Wyoming, NJ

Average snowfall days in December - Wyoming, NJ
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Wyoming, 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 18min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Wyoming, NJ

Average sunshine days in December - Wyoming, NJ
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is June (13.5 days).

Average UV index in December
Wyoming, NJ

Average UV index in December - Wyoming, 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
Wyoming, NJ

Average cloud cover in December - Wyoming, 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 August (Cloud cover 30).

Average visibility in December
Wyoming, NJ

Average visibility in December - Wyoming, 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).

Wyoming, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location