December weather forecast
Littletown, NJ

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Weather in December

The first month of the winter, December, is also an icy month in Littletown, New Jersey, with an average temperature varying between 40.8°F (4.9°C) and 29.1°F (-1.6°C).

Temperature

December brings a minor decrease, with the average high-temperature reducing from a cool 50.2°F (10.1°C) in November to a cold 40.8°F (4.9°C). During the month of December, Littletown experiences a steady low-temperature average of 29.1°F (-1.6°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 5.8 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Littletown, during the entire year, the rain falls for 91.3 days and collects up to 7.28" (185mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Littletown. In December, it is snowing for 2.2 days. Throughout December, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 14.8 snowfall days, and 2.24" (57mm) of snow is accumulated.

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 4:33 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:43 pm EST.

Sunshine

In Littletown, the average sunshine in December is 4.7h.

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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In Littletown, 40.8°F (4.9°C) is the average high-temperature and 29.1°F (-1.6°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How many days does it rain in December?

In December, the rain falls for 5.8 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

How many days does it snow in December?

In Littletown, in December, during 2.2 snowfall days, 0.59" (15mm) of snow is typically 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 Littletown have in December?

In Littletown, the average day length in December is 9h and 20min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:43 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.7h.

When is 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.

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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
Littletown, NJ

Average temperature in December - Littletown, NJ
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Littletown, NJ

Average pressure in December - Littletown, NJ
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Littletown, NJ

Average wind speed in December - Littletown, NJ
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Littletown, NJ

Average humidity in December - Littletown, NJ
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in December
Littletown, NJ

Average rainfall in December - Littletown, NJ
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in December
Littletown, NJ

Average rainfall days in December - Littletown, NJ
  • Average rainfall days in December: 5.8 days

The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in December
Littletown, NJ

Average snowfall in December - Littletown, NJ
  • Average snowfall in December: 0.59"

The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Littletown, NJ

Average snowfall days in December - Littletown, NJ
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Littletown, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Littletown, NJ

Average sunshine days in December - Littletown, NJ
  • Average sunshine days in December: 22.8 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).

Average UV index in December
Littletown, NJ

Average UV index in December - Littletown, NJ
  • Average UV index in December: 2

The months with the highest UV index are June and July (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
Littletown, NJ

Average cloud cover in December - Littletown, NJ
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Littletown, NJ

Average visibility in December - Littletown, NJ
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).

Littletown, New Jersey, USA

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