December weather forecast and climate
Westport, MA

Weather in December

The first month of the winter, December, is also a wintry month in Westport, Massachusetts, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 41.2°F (5.1°C).

Temperature

In Westport, the average high-temperature drops, from a cool 51.8°F (11°C) in November, to a wintry 41.2°F (5.1°C). In December, the average low-temperature is 27.5°F (-2.5°C).

Rainfall

Throughout December, 4.06" (103.1mm) of precipitation is accumulated. Throughout the year, in Westport, Massachusetts, 43.87" (1114.3mm) of rain is accumulated.

Daylight

The month with the shortest days in Westport is December, with an average of 9.2h of daylight.
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FAQ

How much does it rain in Westport in December?

Throughout December, in Westport, 4.06" (103.1mm) of precipitation is accumulated.

What is the month with the shortest days in Westport?

With an average of 9.2h of daylight, December has the shortest days of the year in Westport, Massachusetts.

How many hours of daylight does Westport have in December?

In December, the average length of the day in Westport is 9.2h.

Average temperature in December
Westport, MA

Average temperature in December - Westport, MA
  • Average high temperature in December: 41.2°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (64.8°F).
The coldest months (with the lowest average low temperature) are January and February (23.5°F).

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Average rainfall in December
Westport, MA

Average rainfall in December - Westport, MA
  • Average rainfall in December: 4.1"

The wettest month (with the highest rainfall) is August (4.3").
The driest month (with the least rainfall) is July (2.9").

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Average daylight in December
Westport, MA

Average daylight in December - Westport, MA
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

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