December weather forecast
East Sandwich, MA

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Weather in December

December, the first month of the winter in East Sandwich, is still a chilly month, with an average temperature varying between 35.4°F (1.9°C) and 43.2°F (6.2°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 50.9°F (10.5°C) to a chilly 43.2°F (6.2°C). In East Sandwich, nights during December observe an average temperature decrease to a cold 35.4°F (1.9°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In East Sandwich, Massachusetts, in December, during 9.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, there are 138.1 rainfall days, and 18.74" (476mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in East Sandwich. In East Sandwich, during December, snow falls for 3.2 days and regularly aggregates up to 0.63" (16mm) of snow. In East Sandwich, during the entire year, snow falls for 20 days and aggregates up to 4.21" (107mm) of snow.

Daylight

The month with the shortest days in East Sandwich is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:50 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:21 pm EST.

Sunshine

February and December, with an average of 4.6h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index in East Sandwich are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during December translates into the following guidance:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

Is December cold in East Sandwich?

In East Sandwich, in December, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 35.4°F (1.9°C).

What is the average humidity in December in East Sandwich?

In East Sandwich, the average relative humidity in December is 75%.

How much does it rain in East Sandwich in December?

In East Sandwich, in December, during 9.8 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

How much does it snow in East Sandwich in December?

In East Sandwich, Massachusetts, in December, during 3.2 snowfall days, 0.63" (16mm) of snow is typically accumulated.

What is the month with the shortest days in East Sandwich?

With an average of 9h and 12min of daylight, December has the shortest days of the year in East Sandwich, Massachusetts.

How many hours of daylight does East Sandwich have in December?

In December, the average day length is 9h and 13min.

When are sunrise and sunset in December in East Sandwich?

In December, on the first day of the month, sunrise is at 6:50 am and sunset at 4:12 pm. On the last day of the month, in East Sandwich, Massachusetts, sunrise is at 7:08 am and sunset at 4:21 pm EST.

What is the month with the least sunshine in East Sandwich?

The months with the least sunshine in East Sandwich are February and December, with an average of 4.6h of sunshine.

How long on average sun shines in December in East Sandwich?

In East Sandwich, Massachusetts, the average sunshine duration in December is 4.6h.

What are the months with the lowest UV index in East Sandwich?

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

What is the UV index intensity in December in East Sandwich?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
East Sandwich, MA

Average temperature in December - East Sandwich, MA
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is August (73.8°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 35.4°F

The months with the highest average low temperature are July and August (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in December
East Sandwich, MA

Average pressure in December - East Sandwich, MA
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
East Sandwich, MA

Average wind speed in December - East Sandwich, MA
  • Average wind speed in December: 14.5mph

The windiest month (with the highest average wind speed) is January (15.2mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).

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Average humidity in December
East Sandwich, MA

Average humidity in December - East Sandwich, MA
  • Average humidity in December: 75%

The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in December
East Sandwich, MA

Average rainfall in December - East Sandwich, MA
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (1.26").

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Average rainfall days in December
East Sandwich, MA

Average rainfall days in December - East Sandwich, MA
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (8 days).

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Average snowfall in December
East Sandwich, MA

Average snowfall in December - East Sandwich, MA
  • Average snowfall in December: 0.63"

The month with the highest snowfall is March (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
East Sandwich, MA

Average snowfall days in December - East Sandwich, MA
  • Average snowfall days in December: 3.2 days

The months with the highest number of snowfall days are January and February (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
East Sandwich, MA

Average daylight in December / Average sunshine in December - East Sandwich, 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 4min

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

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Average sunshine days in December
East Sandwich, MA

Average sunshine days in December - East Sandwich, MA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is December (17.6 days).
The month with the least sunshine days is July (14.8 days).

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Average UV index in December
East Sandwich, MA

Average UV index in December - East Sandwich, MA
  • Average UV index in December: 2

The month with the highest UV index is July (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
East Sandwich, MA

Average cloud cover in December - East Sandwich, MA
  • Average cloud cover in December: 50

The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
East Sandwich, MA

Average visibility in December - East Sandwich, MA
  • Average visibility in December: 6mi

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

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East Sandwich, Massachusetts, USA

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