December weather forecast
Franklin, VT

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Weather in December

The first month of the winter, December, is still a freezing cold month in Franklin, Vermont, with an average temperature fluctuating between 18.3°F (-7.6°C) and 28.8°F (-1.8°C).

Temperature

In December, the average high-temperature goes from a cold 40.3°F (4.6°C) in November to a freezing cold 28.8°F (-1.8°C). Franklin registers a consistent average low-temperature of 18.3°F (-7.6°C) during December.

Humidity

The average relative humidity in December is 87%.

Rainfall

In Franklin, Vermont, in December, it is raining for 10.3 days, with typically 2.76" (70mm) of accumulated precipitation. In Franklin, during the entire year, the rain falls for 168.6 days and collects up to 33.82" (859mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 18.5 days. Throughout December, 9.92" (252mm) of snow is accumulated. In Franklin, during the entire year, snow falls for 99.8 days and aggregates up to 61.54" (1563mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:20 pm EST.

Sunshine

The average sunshine in December is 3.1h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

During December, Franklin experiences an average high-temperature of 28.8°F (-1.8°C) and a low-temperature of 18.3°F (-7.6°C).

What is the average humidity in December?

In December, the average relative humidity is 87%.

How much does it rain in December?

In Franklin, in December, during 10.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Franklin, in December, snow falls for 18.5 days, with typically accumulated 9.92" (252mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

How many hours of daylight does Franklin have in December?

In Franklin, the average day length in December is 8h and 50min.

When is the sunrise / sunset in December in Franklin?

On the first day of December, sunrise is at 7:10 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:20 pm EST.

How many hours of sunshine does Franklin have in December?

In Franklin, the average sunshine duration in December is 3.1h.

When is the lowest UV index in Franklin?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Franklin, VT

Average temperature in December - Franklin, VT
  • Average high temperature in December: 28.8°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

Average pressure in December
Franklin, VT

Average pressure in December - Franklin, VT
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Franklin, VT

Average wind speed in December - Franklin, VT
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Franklin, VT

Average humidity in December - Franklin, VT
  • Average humidity in December: 87%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).

Average rainfall in December
Franklin, VT

Average rainfall in December - Franklin, VT
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are February and September (2.28").

Average rainfall days in December
Franklin, VT

Average rainfall days in December - Franklin, VT
  • Average rainfall days in December: 10.3 days

The months with the highest number of rainy days are June and July (19.4 days).
The month with the least rainy days is February (6.5 days).

Average snowfall in December
Franklin, VT

Average snowfall in December - Franklin, VT
  • Average snowfall in December: 9.92"

The month with the highest snowfall is January (14.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Franklin, VT

Average snowfall days in December - Franklin, VT
  • Average snowfall days in December: 18.5 days

The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Franklin, VT

Average daylight in December / Average sunshine in December - Franklin, VT
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 3h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in December
Franklin, VT

Average sunshine days in December - Franklin, VT
  • Average sunshine days in December: 8.3 days

The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (6.1 days).

Average UV index in December
Franklin, VT

Average UV index in December - Franklin, VT
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Franklin, VT

Average cloud cover in December - Franklin, VT
  • Average cloud cover in December: 71

The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in December
Franklin, VT

Average visibility in December - Franklin, VT
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).

Franklin, Vermont, USA

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