Measurements:
°C
°F
CURRENT WEATHER
02:55
Charlestown
52°F
S 14 mph
Feels like: 48°F
Precip: 61%
World Resorts USA Charlestown Weather

7 Day Weather Forecast

05.19
sun
DAY
56°F
SW 17 mph
precip
78%
NIGHT
52°F
SW 13 mph
precip
62%
05.20
mon
DAY
60°F
NW 7 mph
precip
0%
NIGHT
54°F
NE 7 mph
precip
0%
05.21
tue
DAY
60°F
NE 14 mph
precip
0%
NIGHT
56°F
NE 12 mph
precip
0%
05.22
wed
DAY
62°F
NE 15 mph
precip
0%
NIGHT
58°F
NE 13 mph
precip
0%
05.23
thu
DAY
62°F
NE 16 mph
precip
100%
NIGHT
58°F
E 8 mph
precip
0%
05.24
fri
DAY
64°F
E 11 mph
precip
0%
NIGHT
58°F
E 6 mph
precip
0%
05.25
sat
DAY
62°F
N 6 mph
precip
0%
NIGHT
56°F
E 6 mph
precip
0%

Charlestown Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Charlestown was 12.2°F. The maximum and minimum values were 10.1°F and 14.6°F respectively.

Charlestown on the Weather Map

Best Time to Visit Charlestown
The most sunny months:
November 17 days
September 15 days
October 12 days
The most warm months:
July 81.5 °F
August 80.3 °F
September 73.1 °F
Warmest sea temperature:
August 73.7 °F
July 72.1 °F
September 71.1 °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
more details