December weather forecast
Sutton, MA

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Weather in December

December, the first month of the winter in Sutton, is also an icy month, with an average temperature varying between 27.3°F (-2.6°C) and 38.3°F (3.5°C).

Temperature

Sutton's December weather features a mild decline in high-temperatures, reducing from a frosty 48.7°F (9.3°C) in November to a cold 38.3°F (3.5°C). An average low-temperature of 27.3°F (-2.6°C) is noted during the month of December.

Humidity

In December, the average relative humidity in Sutton, Massachusetts, is 78%.

Rainfall

December is the month with the most rainfall in Sutton. Rain falls for 10.3 days and accumulates 3.15" (80mm) of precipitation.

Snowfall

Months with snowfall in Sutton are January through May, November and December. In Sutton, in December, during 5 snowfall days, 3.03" (77mm) of snow is typically accumulated. Throughout the year, there are 32.5 snowfall days, and 18.78" (477mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:16 pm. On the last day of December, in Sutton, sunrise is at 7:15 am and sunset at 4:25 pm EST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. 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. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

How cold does it get in Sutton in December?

The average high-temperature and low-temperature during December are 38.3°F (3.5°C) and 27.3°F (-2.6°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the average humidity in December in Sutton?

In Sutton, Massachusetts, the average relative humidity in December is 78%.

What is the wettest month in Sutton?

December is the month with the most rainfall in Sutton. Rain falls for 10.3 days and accumulates 3.15" (80mm) of precipitation.

How many days does it rain in December in Sutton?

In Sutton, Massachusetts, in December, it is raining for 10.3 days, with typically 3.15" (80mm) of accumulated precipitation.

How much does it snow in Sutton in December?

In December, it is snowing for 5 days. Throughout December, 3.03" (77mm) of snow is accumulated.

What is the month with the shortest days in Sutton?

December has the shortest days of the year in Sutton, with an average of 9h and 12min of daylight.

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

The average day length in December in Sutton is 9h and 10min.

When are sunrise and sunset in December in Sutton?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:25 pm EST.

How many hours of sunshine does Sutton have in December?

In December, the average sunshine duration in Sutton, Massachusetts, is 4.8h.

When is the lowest UV index in Sutton?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sutton.

What is the UV index reading in December in Sutton?

In December, the average daily maximum UV index in Sutton is 2. A UV Index value of 2, and less, symbolizes 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
Sutton, MA

Average temperature in December - Sutton, MA
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in December
Sutton, MA

Average pressure in December - Sutton, MA
  • Average pressure in December: 30.04"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Sutton, MA

Average wind speed in December - Sutton, MA
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Sutton, MA

Average humidity in December - Sutton, MA
  • Average humidity in December: 78%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in December
Sutton, MA

Average rainfall in December - Sutton, MA
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in December
Sutton, MA

Average rainfall days in December - Sutton, MA
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in December
Sutton, MA

Average snowfall in December - Sutton, MA
  • Average snowfall in December: 3.03"

The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Sutton, MA

Average snowfall days in December - Sutton, MA
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Sutton, MA

Average daylight in December / Average sunshine in December - Sutton, MA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Sutton, MA

Average sunshine days in December - Sutton, MA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in December
Sutton, MA

Average UV index in December - Sutton, MA
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Sutton, MA

Average cloud cover in December - Sutton, MA
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in December
Sutton, MA

Average visibility in December - Sutton, MA
  • Average visibility in December: 6mi

The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).

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Sutton, Massachusetts, USA

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