December weather forecast
Frenchtown, NJ

Share

Weather in December

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

Temperature

December's onset brings a reduction in the average high-temperature, from a fresh 50.2°F (10.1°C) in November to a cold 40.8°F (4.9°C). The low-temperature average for Frenchtown during December stands at a freezing cold 29.1°F (-1.6°C).

Humidity

The average relative humidity in December is 80%.

Rainfall

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

Snowfall

Months with snowfall are January through May, November and December. In Frenchtown, during December, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow. In Frenchtown, during the entire year, snow falls for 14.8 days and aggregates up to 2.24" (57mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:04 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:43 pm EST.

Sunshine

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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

An average high-temperature, in December, in Frenchtown, is 40.8°F (4.9°C) and the average low-temperature is 29.1°F (-1.6°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How much does it rain in December?

In Frenchtown, during December, the rain falls for 5.8 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How much does it snow in December?

In Frenchtown, in December, snow falls for 2.2 days, with typically accumulated 0.59" (15mm) of snow.

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.

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:43 pm EST.

How many hours of sunshine does Frenchtown have in December?

In December, the average sunshine duration is 4.7h.

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 in Frenchtown.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index 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
Frenchtown, NJ

Average temperature in December - Frenchtown, 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
Frenchtown, NJ

Average pressure in December - Frenchtown, 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
Frenchtown, NJ

Average wind speed in December - Frenchtown, 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
Frenchtown, NJ

Average humidity in December - Frenchtown, 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
Frenchtown, NJ

Average rainfall in December - Frenchtown, 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
Frenchtown, NJ

Average rainfall days in December - Frenchtown, 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
Frenchtown, NJ

Average snowfall in December - Frenchtown, 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
Frenchtown, NJ

Average snowfall days in December - Frenchtown, 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
Frenchtown, NJ

Average daylight in December / Average sunshine in December - Frenchtown, 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
Frenchtown, NJ

Average sunshine days in December - Frenchtown, 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
Frenchtown, NJ

Average UV index in December - Frenchtown, 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
Frenchtown, NJ

Average cloud cover in December - Frenchtown, 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
Frenchtown, NJ

Average visibility in December - Frenchtown, 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).

Frenchtown, New Jersey, USA

Weather forecast for your location

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