Measurements:
°C
°F
Charlestown
18°F
SE 17 mph
Feels like: 2°F
Precip: 0%
World Resorts USA Charlestown Weather May Weather in Charlestown

Charlestown Weather: May

Average Day Temperature: 61.8°F
Average Night Temperature: 52.0°F
Sea Water Temperature: 52.3°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.0 - 14.9 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in May, °F

Select Year: 2024 2023 2022

The highest day temperature in May 2024 was 68°F. The lowest night temperature was 44°F. The average values for day and night temperatures during May were 58.2°F и 53.7°F respectivly.

Charlestown Water Sea Temperature in May, °F

Select Year: 2024 2023 2022

The average sea surface temperature in May 2024 for Charlestown was 52.8°F. The maximum and minimum values were 47.4°F and 58.6°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Charlestown is 1.4 in.

Wind Speed in May, mph

The average wind speed in May is 10.2 mph.

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 May is 8.0 hours.

Best Time to Visit Charlestown
The most sunny months:
November 16 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 +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Charlestown
Local time: 06:42
22 dec, sunday
0900 16°F
SE
16 mph
1200 22°F
SE
14 mph
1500 26°F
SE
14 mph
1800 26°F
S
12 mph
2100 22°F
S
13 mph
23 dec, monday
0000 20°F
S
9 mph
0300 18°F
S
7 mph
0600 18°F
S
5 mph