December weather forecast and climate
Montpelier, VT

Sunset in the scenic leafy town of Montpelier, Vermont
Sunset in the scenic leafy town of Montpelier, Vermont
December, the first month of the winter, in Montpelier, is also a subzero cold month, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 28.6°F (-1.9°C).

Temperature

In Montpelier, the average high-temperature drops, from a cold 40.1°F (4.5°C) in November, to a freezing cold 28.6°F (-1.9°C). In December, the average low-temperature is 19°F (-7.2°C).

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Montpelier, it is raining for 10.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 166.6 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Montpelier. In December, in Montpelier, it is snowing for 21 days. Throughout December, 9.37" (238mm) of snow is accumulated. In Montpelier, during the entire year, snow falls for 107.7 days, and aggregates up to 58.82" (1494mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8.9h of daylight.

Sunshine

In December, the average sunshine is 3.1h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Montpelier. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 1 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Montpelier?

In December, in Montpelier, Vermont, the average high-temperature is 28.6°F (-1.9°C), and the average low-temperature is 19°F (-7.2°C).

What is the average humidity in December in Montpelier?

In December, the average relative humidity is 86%.

How much does it rain in Montpelier in December?

In Montpelier, during December, the rain falls for 10.4 days and regularly aggregates up to 2.6" (66mm) of precipitation.

How many days does it snow in December in Montpelier?

In December, it is snowing for 21 days. Throughout December, 9.37" (238mm) of snow is accumulated.

What is the month with the shortest days in Montpelier?

The month with the shortest days is December, with an average of 8.9h of daylight.

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

In Montpelier, the average length of the day in December is 8.9h.

How many hours of sunshine does Montpelier have in December?

In December, the average sunshine in Montpelier is 3.1h.

What are the months with the lowest UV index in Montpelier?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Montpelier?

The average daily maximum UV index in December in Montpelier is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Montpelier, VT
  • Average high temperature in December: -1.9°C

The warmest month (with the highest average high temperature) is July (24.9°C).
The month with the lowest average high temperature is January (-4.9°C).

  • Average low temperature in December: -7.2°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).

Average pressure in December - Montpelier, VT
  • Average pressure in December: 1017.4mbar

The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).

Average wind speed in December - Montpelier, VT
  • Average wind speed in December: 10.7km/h

The windiest month (with the highest average wind speed) is April (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).

Average humidity in December - Montpelier, VT
  • Average humidity in December: 86%

Months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).

Average rainfall in December - Montpelier, VT
  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is June (87mm).
The driest month (with the least rainfall) is September (53mm).

Average rainfall days in December - Montpelier, VT
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in December - Montpelier, VT
  • Average snowfall in December: 238mm

The month with the highest snowfall is February (338mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Montpelier, VT
  • Average snowfall days in December: 21 days

The month with the highest number of snowfall days is January (22.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Montpelier, VT
  • Average daylight in December: 8.9h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in December: 3.1h

The month with the most sunshine is July (Average sunshine: 9.8h).
Months with the least sunshine are January and February (Average sunshine: 2.7).

Average sunshine days in December - Montpelier, VT
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.5 days).

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

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

Average cloud cover in December - Montpelier, VT
  • Average cloud cover in December: 70

Months with the most cloud cover are January and February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December - Montpelier, VT
  • Average visibility in December: 7km

Months with the highest visibility are April, May, June, July, August, September, October and November (8km).
Months with the lowest visibility are January, February, March and December (7km).