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 76.7°F. The average nightly temp is 69.3°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 70.8°F.

Precipitation total, in.

June is the month with least precipitations during the year. The average precipitation totals for this month is 0.9 in. The month with most precipitation total is October.

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 17 days
September 14 days
October 14 days
Warmest months:
July 76.7 °F
August 75.5 °F
September 69.9 °F
Warmest sea temp:
August 70.8 °F
July 69.6 °F
September 68.5 °F
Coldest months:
January 36.5 °F
February 36.9 °F
December 41.9 °F
Rainiest months:
October 4 days
November 3 days
May 3 days
Windiest months:
January 13.3 mph
December 13.3 mph
March 13.0 mph

Charlestown on a weather map

Charlestown
+46°F
SW 8 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+77°F
+54°F
24 Hours Forecast
Charlestown
Local time: 08:33
April 29, wednesday
0900
46°F
SW
8 mph
1200
52°F
N
11 mph
1500
54°F
NE
8 mph
1800
50°F
NE
9 mph
2100
48°F
N
6 mph
April 30, thursday
0000
48°F
N
6 mph
0300
48°F
N
5 mph
0600
48°F
NW
2 mph
Units of measurement: °C / °F