December weather forecast
Duxbury, MA

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Weather in December

The first month of the winter, December, is also an icy month in Duxbury, Massachusetts, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 41.7°F (5.4°C).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in November to an icy 41.7°F (5.4°C). The temperature during December experiences a small drop from daytime peaks, recording an average of 32.9°F (0.5°C) at night.

Humidity

In Duxbury, the average relative humidity in December is 76%.

Rainfall

In Duxbury, in December, it is raining for 8.6 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Duxbury, Massachusetts, there are 120.2 rainfall days, and 12.24" (311mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 3.9 days. Throughout December, 0.59" (15mm) of snow is accumulated. In Duxbury, during the entire year, snow falls for 21 days and aggregates up to 3.54" (90mm) of snow.

Ocean temperature

In Duxbury, in December, the average water temperature is 46.2°F (7.9°C).
Note: Caution: 46.2°F (7.9°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:51 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:21 pm EST.

Sunshine

February and December, with an average of 4.7h of sunshine, are months with the least sunshine in Duxbury.

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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is it in Duxbury in December?

The average high-temperature, in December, in Duxbury, is 41.7°F (5.4°C), while the average low-temperature is 32.9°F (0.5°C).

What is the average humidity in December in Duxbury?

In December, the average relative humidity in Duxbury, Massachusetts, is 76%.

How much does it rain in Duxbury in December?

In December, in Duxbury, the rain falls for 8.6 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in December in Duxbury?

In Duxbury, in December, snow falls for 3.9 days, with typically accumulated 0.59" (15mm) of snow.

What is the ocean temperature in December in Duxbury?

In Duxbury, Massachusetts, in December, the average water temperature is 46.2°F (7.9°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the month with the shortest days in Duxbury?

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

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

In December, the average day length in Duxbury, Massachusetts, is 9h and 11min.

When is the sunrise / sunset in December in Duxbury?

On the first day of December, sunrise is at 6:51 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:21 pm EST.

What is the month with the least sunshine in Duxbury?

The months with the least sunshine in Duxbury are February and December, with an average of 4.7h of sunshine.

How many hours of sunshine does Duxbury have in December?

In Duxbury, Massachusetts, the average sunshine duration in December is 4.7h.

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

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

How high is the UV index in December in Duxbury?

The average daily maximum UV index in December in Duxbury, Massachusetts, is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Duxbury, MA

Average temperature in December - Duxbury, MA
  • Average high temperature in December: 41.7°F

The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 32.9°F

The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in December
Duxbury, MA

Average pressure in December - Duxbury, 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
Duxbury, MA

Average wind speed in December - Duxbury, MA
  • Average wind speed in December: 12.2mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in December
Duxbury, MA

Average humidity in December - Duxbury, MA
  • Average humidity in December: 76%

The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).

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Average rainfall in December
Duxbury, MA

Average rainfall in December - Duxbury, MA
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").

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Average rainfall days in December
Duxbury, MA

Average rainfall days in December - Duxbury, MA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in December
Duxbury, MA

Average snowfall in December - Duxbury, MA
  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Duxbury, MA

Average snowfall days in December - Duxbury, MA
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in December
Duxbury, MA

Average sea temperature in December - Duxbury, MA
  • Average sea temperature in December: 46.3°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is March (38.8°F).

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

Average daylight in December / Average sunshine in December - Duxbury, 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 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).

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Average sunshine days in December
Duxbury, MA

Average sunshine days in December - Duxbury, MA
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).

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Average UV index in December
Duxbury, MA

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

The months with the highest UV index are 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
Duxbury, MA

Average cloud cover in December - Duxbury, MA
  • Average cloud cover in December: 49

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Duxbury, MA

Average visibility in December - Duxbury, 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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Duxbury, Massachusetts, USA

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