Measurements:
°C
°F
Charlestown
52°F
W 25 mph
Feels like: 46°F
Precip: 0%
World Resorts USA Charlestown Weather December Weather in Charlestown

Charlestown Weather: December

Average Day Temperature: 42.1°F
Average Night Temperature: 37.6°F
Sea Water Temperature: 49.3°F
Number of Sunny Days: 12 days
Sunshine Hours: 9.2 - 9.4 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.7 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 57°F. The lowest night temperature was 26°F. The average values for day and night temperatures during December were 44.4°F и 41.9°F respectivly.

Charlestown Water Sea Temperature in December, °F

Select Year: 2023 2022 2021

The average sea surface temperature in December 2023 for Charlestown was 48.9°F. The maximum and minimum values were 45.8°F and 51.4°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for Charlestown is 1.7 in. It makes december the most rainy month of the year.

Wind Speed in December, mph

The average wind speed in December is 12.1 mph. It makes December one of the most windy months of the year for Charlestown.

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 Charlestown in December is 4.8 hours.

Best Time to Visit Charlestown
The most sunny months:
November 17 days
September 14 days
October 13 days
The most warm months:
July 80.6 °F
August 79.3 °F
June 72.5 °F
Warmest sea temperature:
August 73.4 °F
July 71.8 °F
September 70.6 °F
The most cold months:
January 36.1 °F
February 36.6 °F
December 42.1 °F
The most rainy months:
October 4 days
April 3 days
November 3 days
The most windy months:
January 12 mph
March 12 mph
December 12 mph

Charlestown on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Charlestown
Local time: 17:11
21 nov, thursday
1800 52°F
W
25 mph
2100 52°F
W
27 mph
22 nov, friday
0000 52°F
W
29 mph
0300 50°F
NE
29 mph
0600 48°F
NE
29 mph
0900 48°F
NE
27 mph
1200 50°F
NE
21 mph
1500 50°F
NE
16 mph