World Resorts USA Charlestown Weather

Charlestown sea water temperature

Current sea water temperature:
+46.2°F
Minimum sea water temperature in December: 54.1°F
Maximum sea water temperature in December: 44.1°F
Average sea water temperature in December: 49.4°F

Sea water temperature for the last 10 days:

December 22 46.2°F December 17 47.7°F
December 21 47.7°F December 16 47.8°F
December 20 47.5°F December 15 48.2°F
December 19 48.0°F December 14 48.6°F
December 18 47.7°F December 13 49.1°F

When is the warmest sea in Charlestown?

Based on the data about daily sea water temperature for the last three years the warmest sea in Charlestown was noticed in August, July and September.

Monthly Sea Temperatures in Charlestown, °F

Sea water temperature in August, °F

Show year:
2024
2023
2022

The average sea water temperature in August of 2024 was 69.9°F. The highest and lowest sea temperatures during the month were 72.7°F and 67.5°F.

Sea water temperature in July, °F

Show year:
2024
2023
2022

The average sea water temperature in July of 2024 was 68.8°F. The highest and lowest sea temperatures during the month were 71.8°F and 63.9°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 67.0°F. The highest and lowest sea temperatures during the month were 69.3°F and 64.6°F.

Best time for vacation in Charlestown

Sunniest months:
November 16 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
+23°F
SE 17 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+16°F
+25°F
+75°F
+75°F
+54°F
+54°F
+63°F
+21°F
+52°F
+54°F
+54°F
+50°F
+48°F
+46°F
+23°F
24 Hours Forecast
Charlestown
Local time: 03:07
December 22, sunday
0600
21°F
SE
17 mph
0900
19°F
SE
16 mph
1200
25°F
SE
14 mph
1500
28°F
SE
14 mph
1800
28°F
S
12 mph
2100
25°F
S
13 mph
December 23, monday
0000
23°F
S
9 mph
0300
21°F
S
7 mph
Units of measurement: °C / °F