World Resorts USA Charlestown

Charlestown Monthly Weather Averages

Please click on any column to get detailed information about Charlestown weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Charlestown is july. The average daily temp is 77.6°F. The average nightly temp is 69.1°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 71.1°F.

Precipitation total, in.

November is the month with least precipitations during the year. The average precipitation totals for this month is 1.1 in. The month with most precipitation total is December.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
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.

* Charts above show average data for the last 3 years.

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: 03:32
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