December weather forecast
Killington, VT

Weather in December

December, the first month of the winter in Killington, is also a subzero cold month, with an average temperature varying between 29.8°F (-1.2°C) and 20.1°F (-6.6°C).

Temperature

In December, the average high-temperature decreases from a cold 40.8°F (4.9°C) in November to a freezing cold 29.8°F (-1.2°C). The average low-temperature, in December, is 20.1°F (-6.6°C).

Humidity

In Killington, the average relative humidity in December is 84%.

Rainfall

In Killington, during December, the rain falls for 9 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Killington, there are 156.1 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Killington. In Killington, during December, snow falls for 17.7 days and regularly aggregates up to 8.23" (209mm) of snow. In Killington, during the entire year, snow falls for 93.2 days and aggregates up to 58.35" (1482mm) of snow.

Daylight

With an average of 8h and 59min of daylight, December has the shortest days of the year in Killington.
On the first day of December in Killington, Vermont, sunrise is at 7:04 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:23 pm EST.

Sunshine

In Killington, the average sunshine in December is 3.6h.

UV index

The months with the lowest UV index in Killington are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Killington?

The average high-temperature, in December, in Killington, is 29.8°F (-1.2°C), while the average low-temperature is 20.1°F (-6.6°C).

What is the average humidity in December in Killington?

In Killington, the average relative humidity in December is 84%.

How many days does it rain in December in Killington?

In December, in Killington, Vermont, the rain falls for 9 days. Throughout December, 2.4" (61mm) of precipitation is accumulated.

How many days does it snow in December in Killington?

In Killington, during December, snow falls for 17.7 days and regularly aggregates up to 8.23" (209mm) of snow.

What is the month with the shortest days in Killington?

December has the shortest days of the year in Killington, with an average of 8h and 59min of daylight.

How many hours of daylight does Killington have in December?

The average day length in December in Killington, Vermont, is 8h and 59min.

What time are sunrise and sunset in December in Killington?

On the first day of December in Killington, sunrise is at 7:04 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:23 pm EST.

How many hours of sunshine does Killington have in December?

In Killington, the average sunshine duration in December is 3.6h.

What is the month with the lowest UV index in Killington?

February and December, with an average maximum UV index of 1, are months with the lowest UV index in Killington, Vermont.

What is the UV index intensity in December in Killington?

In Killington, the average daily maximum UV index in December is 1. 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
Killington, VT

Average temperature in December - Killington, VT
  • Average high temperature in December: 29.8°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in December: 20.1°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in December
Killington, VT

Average pressure in December - Killington, VT
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Killington, VT

Average wind speed in December - Killington, VT
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Killington, VT

Average humidity in December - Killington, VT
  • Average humidity in December: 84%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in December
Killington, VT

Average rainfall in December - Killington, VT
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
Killington, VT

Average rainfall days in December - Killington, VT
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in December
Killington, VT

Average snowfall in December - Killington, VT
  • Average snowfall in December: 8.23"

The month with the highest snowfall is February (12.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Killington, VT

Average snowfall days in December - Killington, VT
  • Average snowfall days in December: 17.7 days

The month with the highest number of snowfall days is February (19.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Killington, VT
  • Average daylight in December: 8h and 59min

The month with the longest days is June (Average daylight: 15h and 23min).
The month with the shortest days is December (Average daylight: 8h and 59min).

  • Average sunshine in December: 3h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

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Average sunshine days in December
Killington, VT

Average sunshine days in December - Killington, VT
  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (7.8 days).

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Average UV index in December
Killington, VT

Average UV index in December - Killington, 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 February and December (UV index 1).

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Average cloud cover in December
Killington, VT

Average cloud cover in December - Killington, VT
  • Average cloud cover in December: 64

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in December
Killington, VT

Average visibility in December - Killington, VT
  • Average visibility in December: 5mi

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

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