December weather forecast
Jacksonville, VT

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Weather in December

The first month of the winter, December, is still a freezing cold month in Jacksonville, Vermont, with an average temperature fluctuating between 31.3°F (-0.4°C) and 21.4°F (-5.9°C).

Temperature

As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a wintry 42.1°F (5.6°C) to a subzero cold 31.3°F (-0.4°C). During the nights in December, an average low-temperature of 21.4°F (-5.9°C) is observed.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Jacksonville, Vermont, in December, during 11.7 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. In Jacksonville, Vermont, during the entire year, the rain falls for 170.8 days and collects up to 39.33" (999mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, in Jacksonville, Vermont, it is snowing for 13.9 days. Throughout December, 8.31" (211mm) of snow is accumulated. Throughout the year, there are 78.9 snowfall days, and 54.96" (1396mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:18 pm. On the last day of December, in Jacksonville, sunrise is at 7:21 am and sunset at 4:27 pm EST.

Sunshine

The average sunshine in December is 3.9h.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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Frequently asked questions

How cold is December in Jacksonville?

During December, Jacksonville experiences an average high-temperature of 31.3°F (-0.4°C) and a low-temperature of 21.4°F (-5.9°C).

What is the average humidity in December in Jacksonville?

In December, the average relative humidity in Jacksonville, Vermont, is 85%.

How much does it rain in Jacksonville in December?

In Jacksonville, during December, the rain falls for 11.7 days and regularly aggregates up to 3.78" (96mm) of precipitation.

How many days does it snow in December in Jacksonville?

In December, in Jacksonville, Vermont, it is snowing for 13.9 days. Throughout December, 8.31" (211mm) of snow is accumulated.

What is the month with the shortest days in Jacksonville?

December has the shortest days of the year in Jacksonville, Vermont, with an average of 9h and 6min of daylight.

How many hours of daylight does Jacksonville have in December?

The average day length in December in Jacksonville, Vermont, is 9h and 5min.

When is the sunrise / sunset in December in Jacksonville?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:18 pm. On the last day of the month, in Jacksonville, sunrise is at 7:21 am and sunset at 4:27 pm EST.

How many hours of sunshine does Jacksonville have in December?

The average sunshine duration in December in Jacksonville, Vermont, is 3.9h.

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

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

What is the UV index reading in December in Jacksonville?

In December, the average daily maximum UV index in Jacksonville, Vermont, is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from 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
Jacksonville, VT

Average temperature in December - Jacksonville, VT
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in December: 21.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in December
Jacksonville, VT

Average pressure in December - Jacksonville, 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 (29.92"Hg).

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Average wind speed in December
Jacksonville, VT

Average wind speed in December - Jacksonville, VT
  • Average wind speed in December: 8.4mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Jacksonville, VT

Average humidity in December - Jacksonville, VT
  • Average humidity in December: 85%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in December
Jacksonville, VT

Average rainfall in December - Jacksonville, VT
  • Average rainfall in December: 3.78"

The wettest month (with the highest rainfall) is October (3.86").
The driest months (with the least rainfall) are March and September (2.83").

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Average rainfall days in December
Jacksonville, VT

Average rainfall days in December - Jacksonville, VT
  • Average rainfall days in December: 11.7 days

The months with the highest number of rainy days are June and July (18.1 days).
The month with the least rainy days is February (8.6 days).

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Average snowfall in December
Jacksonville, VT

Average snowfall in December - Jacksonville, VT
  • Average snowfall in December: 8.31"

The month with the highest snowfall is February (13.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Jacksonville, VT

Average snowfall days in December - Jacksonville, VT
  • Average snowfall days in December: 13.9 days

The month with the highest number of snowfall days is January (16.8 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
Jacksonville, VT

Average daylight in December / Average sunshine in December - Jacksonville, VT
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 3h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

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Average sunshine days in December
Jacksonville, VT

Average sunshine days in December - Jacksonville, VT
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (8 days).

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Average UV index in December
Jacksonville, VT

Average UV index in December - Jacksonville, 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
Jacksonville, VT

Average cloud cover in December - Jacksonville, VT
  • Average cloud cover in December: 59

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in December
Jacksonville, VT

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

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

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Jacksonville, Vermont, USA

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