Measurements:
°C
°F
Westbrook
18°F
SE 11 mph
Feels like: 6°F
Precip: 0%
World Resorts USA Westbrook Weather December Weather in Westbrook

Westbrook Weather: December

Average Day Temperature: 40.0°F
Average Night Temperature: 33.3°F
Sea Water Temperature: 47.3°F
Number of Sunny Days: 13 days
Sunshine Hours: 9.2 - 9.4 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.6 in

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 54°F. The lowest night temperature was 9°F. The average values for day and night temperatures during December were 35.2°F и 25.5°F respectivly.

Westbrook Water Sea Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Westbrook was 44.3°F. The maximum and minimum values were 39.8°F and 49.8°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for Westbrook is 1.6 in. It makes december the most rainy month of the year.

Wind Speed in December, mph

The average wind speed in December is 10.5 mph. It makes December one of the most windy months of the year for Westbrook.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Westbrook in December is 5.2 hours.

Best Time to Visit Westbrook
The most sunny months:
November 17 days
October 14 days
September 14 days
The most warm months:
July 83.5 °F
August 81.7 °F
June 76.0 °F
Warmest sea temperature:
August 74.4 °F
July 72.6 °F
September 72.1 °F
The most cold months:
January 34.7 °F
February 36.5 °F
December 40.0 °F
The most rainy months:
October 4 days
July 3 days
April 3 days
The most windy months:
January 11 mph
December 10 mph
November 10 mph

Westbrook on the Weather Map

USA Resorts:
NAME
Chicago +12
Hawaii +80
Honolulu +80
Houston +62
Las Vegas +44
Los Angeles +56
Maui +74
Miami +64
Miami Beach +70
New York +12
San Diego +58
San Francisco +50
Sarasota +60
Tampa +60
Washington +16
24 Hours Weather Forecast
Westbrook
Local time: 12:57
29 jan, thursday
1500 18°F
SE
14 mph
1800 12°F
E
12 mph
2100 2°F
SE
16 mph
30 jan, friday
0000 4°F
SE
13 mph
0300 6°F
SE
12 mph
0600 2°F
SE
11 mph
0900 2°F
SE
14 mph
1200 12°F
SE
17 mph