December weather forecast
Proctor, VT

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Weather in December

December, the first month of the winter in Proctor, is also a subzero cold month, with temperature in the range of an average low of 20.3°F (-6.5°C) and an average high of 29.8°F (-1.2°C).

Temperature

Arrival of December comes with a reduction in the average high-temperature, falling from a cold 41.2°F (5.1°C) in November to a freezing cold 29.8°F (-1.2°C). Proctor experiences a mean temperature of 20.3°F (-6.5°C) during December nights.

Humidity

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

Rainfall

In December, in Proctor, the rain falls for 7.2 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. In Proctor, during the entire year, the rain falls for 115 days and collects up to 13.19" (335mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Proctor, Vermont. In Proctor, during December, snow falls for 10.7 days and regularly aggregates up to 2.83" (72mm) of snow. In Proctor, during the entire year, snow falls for 59.9 days and aggregates up to 20.16" (512mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year in Proctor, Vermont.
On the first day of December in Proctor, sunrise is at 7:06 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:25 pm EST.

Sunshine

In Proctor, the average sunshine in December is 3.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 1 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

How cold is December in Proctor?

The high-temperature, in December, in Proctor, records 29.8°F (-1.2°C), while the low-temperature is 20.3°F (-6.5°C).

What is the average humidity in December in Proctor?

The average relative humidity in December in Proctor, Vermont, is 84%.

How much does it rain in Proctor in December?

In Proctor, in December, during 7.2 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

How many days does it snow in December in Proctor?

In Proctor, in December, snow falls for 10.7 days, with typically accumulated 2.83" (72mm) of snow.

What is the month with the shortest days in Proctor?

December has the shortest days of the year in Proctor, Vermont, with an average of 9h and 0min of daylight.

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

In Proctor, the average day length in December is 9h and 0min.

What time are sunrise and sunset in December in Proctor?

On the first day of December in Proctor, sunrise is at 7:06 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:25 pm EST.

How long on average sun shines in December in Proctor?

The average sunshine duration in December is 3.3h.

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

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

How high is the UV index in December in Proctor?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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
Proctor, VT

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

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in December: 20.3°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°F).

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Average pressure in December
Proctor, VT

Average pressure in December - Proctor, 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
Proctor, VT

Average wind speed in December - Proctor, VT
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Proctor, VT

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

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (76%).

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Average rainfall in December
Proctor, VT

Average rainfall in December - Proctor, VT
  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is September (0.79").

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Average rainfall days in December
Proctor, VT

Average rainfall days in December - Proctor, VT
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is February (3.9 days).

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Average snowfall in December
Proctor, VT

Average snowfall in December - Proctor, VT
  • Average snowfall in December: 2.83"

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Proctor, VT

Average snowfall days in December - Proctor, VT
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is February (13.8 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
Proctor, VT

Average daylight in December / Average sunshine in December - Proctor, VT
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days in December
Proctor, VT

Average sunshine days in December - Proctor, VT
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is February (13.2 days).

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Average UV index in December
Proctor, VT

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

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

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Average cloud cover in December
Proctor, VT

Average cloud cover in December - Proctor, VT
  • Average cloud cover in December: 66

The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 38).

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Average visibility in December
Proctor, VT

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

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

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Proctor, Vermont, USA

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