December weather forecast and climate
Killington, VT

Weather in December

The first month of the winter, December, is still a freezing cold month in Killington, Vermont, with average temperature fluctuating between 29.8°F (-1.2°C) and 20.1°F (-6.6°C).

Temperature

In December, the average high-temperature drops, from a cold 40.8°F (4.9°C) in November, to a subzero cold 29.8°F (-1.2°C). In Killington, the average low-temperature 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. In Killington, during the entire year, the rain falls for 156.1 days and collects up to 29.09" (739mm) of precipitation.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 9h of daylight.

Sunshine

In Killington, the average sunshine is 3.6h.

UV index

Months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for average individuals.
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

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?

The average relative humidity in December in Killington is 84%.

How much does it rain in Killington in December?

In Killington, Vermont, in December, during 9 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

How much does it snow in Killington in December?

In Killington, in December, during 17.7 snowfall days, 8.23" (209mm) of snow is typically accumulated.

What is the month with the shortest days in Killington?

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

What is the average length of the day in December in Killington?

In Killington, Vermont, the average length of the day in December is 9h.

How many hours of sunshine does Killington have in December?

The average sunshine in December in Killington, Vermont, is 3.6h.

When is 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.

How high is the UV index in December in Killington?

In Killington, Vermont, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.

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).

[Resources]

Average pressure in December
Killington, VT

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

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

[Resources]

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).

[Resources]

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%).
Months with the lowest relative humidity are April and May (76%).

[Resources]

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").

[Resources]

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).

[Resources]

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").
Months with the least snowfall are June, July, August and September (0").

[Resources]

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).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Killington, VT
  • Average daylight in December: 9h

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in December: 3.6h

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

[Resources]

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).

[Resources]

Average UV index in December
Killington, VT

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

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are February and December (UV index 1).

[Resources]

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).

[Resources]

Average visibility in December
Killington, VT

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

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

[Resources]