December weather forecast
Bretton Woods, VA

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Weather in December

The first month of the winter, December, is still a chilly month in Bretton Woods, Virginia, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 34.9°F (1.6°C).

Temperature

In December, the average high-temperature marginally drops from a moderate 56.7°F (13.7°C) in November to a chilly 49.1°F (9.5°C). The nights of December anticipate an average low-temperature of 34.9°F (1.6°C).

Humidity

The most humid month in Bretton Woods is December, with an average relative humidity of 78%.

Rainfall

In December, the rain falls for 10.1 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 151.1 rainfall days, and 26.22" (666mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Bretton Woods, in December, snow falls for 1.5 days, with typically accumulated 1.5" (38mm) of snow. Throughout the year, there are 10.5 snowfall days, and 6.42" (163mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:01 pm EST.

Sunshine

December has the least sunshine of the year in Bretton Woods, Virginia, with an average of 5.2h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 2 during December leads to these advisories:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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

What are December temperatures?

In Bretton Woods, 49.1°F (9.5°C) is the average high-temperature and 34.9°F (1.6°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 86°F (30°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 78%.

What is the average humidity in December?

In Bretton Woods, Virginia, the average relative humidity in December is 78%.

How many days does it rain in December?

In Bretton Woods, in December, it is raining for 10.1 days, with typically 1.93" (49mm) of accumulated precipitation.

How much does it snow in Bretton Woods in December?

In Bretton Woods, in December, during 1.5 snowfall days, 1.5" (38mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Bretton Woods have in December?

The average day length in December is 9h and 37min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:01 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.2h of sunshine.

How long on average sun shines in December?

In Bretton Woods, the average sunshine duration in December is 5.2h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Bretton Woods, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Bretton Woods, VA

Average temperature in December - Bretton Woods, VA
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in December: 34.9°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
Bretton Woods, VA

Average pressure in December - Bretton Woods, VA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Bretton Woods, VA

Average wind speed in December - Bretton Woods, VA
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Bretton Woods, VA

Average humidity in December - Bretton Woods, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).

Average rainfall in December
Bretton Woods, VA

Average rainfall in December - Bretton Woods, VA
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in December
Bretton Woods, VA

Average rainfall days in December - Bretton Woods, VA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Bretton Woods, VA

Average snowfall in December - Bretton Woods, VA
  • Average snowfall in December: 1.5"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Bretton Woods, VA

Average snowfall days in December - Bretton Woods, VA
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (3.5 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
Bretton Woods, VA

Average daylight in December / Average sunshine in December - Bretton Woods, VA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in December
Bretton Woods, VA

Average sunshine days in December - Bretton Woods, VA
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in December
Bretton Woods, VA

Average UV index in December - Bretton Woods, VA
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Bretton Woods, VA

Average cloud cover in December - Bretton Woods, VA
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Bretton Woods, VA

Average visibility in December - Bretton Woods, VA
  • Average visibility in December: 6mi

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

Bretton Woods, Virginia, USA

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