World Resorts USA Charlestown Weather

Summer weather in Charlestown

Weather in Charlestown in Summer

June July August
Average day temperature:
Average day temperature: 70.3°F 77.6°F 76.4°F
Average night temperature:
Average night temperature: 61.6°F 69.1°F 68.4°F
Sea water temperature:
Sea water temperature: 61.6°F 69.6°F 71.1°F
Number of sunny days:
Number of sunny days: 11 days 11 days 11 days
Day length:
Day length: 15.0 - 15.2 h. 14.4 - 15.1 h. 13.2 - 14.4 h.
Number of rainy days:
Number of rainy days: 3 days 2 days 3 days
Precipitation totals:
Precipitation totals: 1.1 in. 1.2 in. 1.2 in.

Day & Night air temperature, °F

Sea water temperature, °F

Precipitation total, in.

Sunny, partly cloudy and cloudy days
Wind speed, mph
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

Best time for vacation in Charlestown

Sunniest months:
November 17 days
September 14 days
October 13 days
Warmest months:
July 77.6 °F
August 76.4 °F
June 70.3 °F
Warmest sea temp:
August 71.0 °F
July 69.6 °F
September 68.6 °F
Coldest months:
January 37.5 °F
February 38.0 °F
December 42.9 °F
Rainiest months:
October 4 days
April 3 days
November 3 days
Windiest months:
January 12.1 mph
March 12.1 mph
December 12.1 mph

Charlestown on a weather map

Charlestown
+52°F
W 25 mph
Feels like: +45°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+73°F
+72°F
+66°F
+34°F
24 Hours Forecast
Charlestown
Local time: 14:11
November 21, thursday
1500
52°F
W
25 mph
1800
52°F
W
28 mph
2100
54°F
W
33 mph
November 22, friday
0000
52°F
NE
26 mph
0300
48°F
NE
25 mph
0600
46°F
NE
19 mph
0900
46°F
NE
14 mph
1200
48°F
NE
8 mph
Units of measurement: °C / °F