World Resorts USA Charlestown Weather

Autumn weather in Charlestown

Weather in Charlestown in Autumn

September October November
Average day temperature: 70.0°F 61.3°F 51.6°F
Average night temperature: 62.5°F 54.9°F 45.3°F
Sea water temperature: 68.6°F 63.1°F 56.8°F
Number of sunny days: 14 days 13 days 16 days
Day length: 11.8 - 13.1 h. 10.4 - 11.7 h. 9.4 - 10.4 h.
Number of rainy days: 2 days 4 days 3 days
Precipitation totals: 1.3 in. 1.5 in. 1.1 in.

Day & Night air temperature, °F

September
October
November
0
12
24
36
48
60
72
84
51.6
61.3
70.0
45.3
54.9
62.5
Day temperature   
Night temperature

Sea water temperature, °F

September
October
November
0
11
22
33
44
55
66
77
88
56.8
63.1
68.6

Precipitation total, in.

September
October
November
0.0
0.3
0.5
0.8
1.0
1.3
1.5
1.8
1.1
1.5
1.3
Sunny, partly cloudy and cloudy days
September
October
November
0
5
10
15
20
25
30
35
6
11
7
8
8
9
16
13
14
Cloudy days   
Partly cloudy days   
Sunny days
Wind speed, mph
September
October
November
0.0
2.0
4.1
6.1
8.1
10.2
12.2
14.2
16.3
11.9
10.1
9.7
Average sunny hours
September
October
November
0
1
2
3
4
5
6
7
8
9
6.6
6.4
7.6

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 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 37.1 °F
February 37.6 °F
December 42.5 °F
Rainiest months:
October 4 days
November 3 days
January 3 days
Windiest months:
March 13.0 mph
January 12.9 mph
December 12.4 mph

Charlestown on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+59°F
+72°F
+77°F
+77°F
+86°F
+64°F
+77°F
+59°F
+88°F
+61°F
+54°F
+79°F
+81°F
+73°F
+59°F
24 Hours Forecast
Charlestown
Local time: 18:08
April 14, monday
2100
46°F
NE
15 mph
April 15, tuesday
0000
46°F
NE
12 mph
0300
45°F
NE
13 mph
0600
45°F
N
9 mph
0900
45°F
NE
9 mph
1200
45°F
E
14 mph
1500
45°F
NE
20 mph
1800
45°F
NE
21 mph
Units of measurement: °C / °F