Weather in December
December in Westport is an introduction to the cold season. There's a significant drop in high temperatures, barely reaching 41.2°F (5.1°C). Winter characteristics become more prominent as December carries on. The days shorten, and the nights lengthen, typical of a winter pattern. Just as in several previous months, rainfall persists throughout December, adding that distinct touch of a winter backdrop to the city.
On the first day of the month, sunrise is at 6:52 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:24 pm EST.
Temperature
Welcoming December, Westport observes a shift in the average high-temperature, falling from November's fresh 51.8°F (11°C) to an icy 41.2°F (5.1°C). Westport records an average nighttime low-temperature of 27.5°F (-2.5°C) throughout December.Rainfall
Throughout December, 4.06" (103mm) of precipitation is accumulated. During the entire year, Westport aggregates up to 43.86" (1114mm) of precipitation.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 6:52 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:24 pm EST.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
The high-temperature in Westport during December is 41.2°F (5.1°C) and the low-temperature is 27.5°F (-2.5°C).
How much does it rain in Westport in December?
In Westport, in December, 4.06" (103mm) of precipitation is typically accumulated.
What is the month with the shortest days?
With an average of 9h and 12min of daylight, December has the shortest days of the year.
What is the average length of the day in December?
In December, the average day length is 9h and 14min.
What time are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 6:52 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 4:24 pm EST.
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).
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").
Average daylight in December
Westport, MA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
Westport, Massachusetts, USA
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