December weather forecast
Cambridge, VT

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Weather in December

December, the first month of the winter in Cambridge, is also a subzero cold month, with an average temperature fluctuating between 18.5°F (-7.5°C) and 28.6°F (-1.9°C).

Temperature

The start of December involves a temperature drop, moving from a wintry 39.9°F (4.4°C) in November to a freezing cold 28.6°F (-1.9°C). In December, Cambridge encounters an average low-temperature of 18.5°F (-7.5°C) during the night.

Humidity

In Cambridge, the average relative humidity in December is 86%.

Rainfall

In December, the rain falls for 10.5 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. In Cambridge, during the entire year, the rain falls for 165.8 days and collects up to 33.07" (840mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Cambridge, in December, snow falls for 21 days, with typically accumulated 11.3" (287mm) of snow. Throughout the year, there are 110.5 snowfall days, and 70.87" (1800mm) of snow is accumulated.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year in Cambridge.
On the first day of December, sunrise is at 7:08 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:21 pm EST.

Sunshine

In Cambridge, Vermont, the average sunshine in December is 3h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 in December transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Cambridge, is 28.6°F (-1.9°C), while the low-temperature averages to 18.5°F (-7.5°C).

What is the average humidity in December?

In December, the average relative humidity is 86%.

How much does it rain in December?

In December, the rain falls for 10.5 days. Throughout December, 2.72" (69mm) of precipitation is accumulated.

How many days does it snow in December?

In Cambridge, in December, snow falls for 21 days, with typically accumulated 11.3" (287mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

What is the average length of the day in December?

The average day length in December is 8h and 53min.

When is the sunrise / sunset in December in Cambridge?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:21 pm EST.

How many hours of sunshine does Cambridge have in December?

In December, the average sunshine duration is 3h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Cambridge, VT

Average temperature in December - Cambridge, VT
  • Average high temperature in December: 28.6°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 (22.8°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

Average pressure in December
Cambridge, VT

Average pressure in December - Cambridge, VT
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Cambridge, VT

Average wind speed in December - Cambridge, VT
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Cambridge, VT

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

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).

Average rainfall in December
Cambridge, VT

Average rainfall in December - Cambridge, VT
  • Average rainfall in December: 2.72"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in December
Cambridge, VT

Average rainfall days in December - Cambridge, VT
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in December
Cambridge, VT

Average snowfall in December - Cambridge, VT
  • Average snowfall in December: 11.3"

The month with the highest snowfall is January (14.92").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Cambridge, VT

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

The month with the highest number of snowfall days is January (23.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Cambridge, VT
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in December
Cambridge, VT

Average sunshine days in December - Cambridge, VT
  • Average sunshine days in December: 6.9 days

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (4.8 days).

Average UV index in December
Cambridge, VT

Average UV index in December - Cambridge, 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 January and December (UV index 1).

Average cloud cover in December
Cambridge, VT

Average cloud cover in December - Cambridge, VT
  • Average cloud cover in December: 71

The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in December
Cambridge, VT

Average visibility in December - Cambridge, VT
  • Average visibility in December: 4mi

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

Cambridge, Vermont, USA

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