Measurements:
°C
°F
Charlestown
40°F
E 20 mph
Feels like: 30°F
Precip: 0%
World Resorts USA Charlestown Weather May Weather in Charlestown

Charlestown Weather: May

Average Day Temperature: 61.8°F
Average Night Temperature: 52.0°F
Sea Water Temperature: 52.3°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.0 - 14.9 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.4 in

Air Temperature in May, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day Temperature   
Night Temperature

The highest day temperature in May 2024 was 68°F. The lowest night temperature was 44°F. The average values for day and night temperatures during May were 58.2°F и 53.7°F respectivly.

Charlestown Water Sea Temperature in May, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
43
47
51
55
59
63
67

The average sea surface temperature in May 2024 for Charlestown was 52.8°F. The maximum and minimum values were 47.4°F and 58.6°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
35%
35%
29%

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.3
0.5
0.8
1.1
1.3
1.6
1.8

Precipitation total in May for Charlestown is 1.4 in. This value is relatively stable throughout the year.

Wind Speed in May, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.2
4.4
6.7
8.9
11.1
13.3
15.6
17.8

The average wind speed in May is 10.2 mph.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.0
4.6
6.1
7.6
9.1
10.6

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Charlestown in May is 8.0 hours.

Best Time to Visit Charlestown
The most sunny months:
November 16 days
September 14 days
October 13 days
The most warm months:
July 80.6 °F
August 79.3 °F
June 72.5 °F
Warmest sea temperature:
August 73.4 °F
July 71.8 °F
September 70.6 °F
The most cold months:
January 35.7 °F
February 36.2 °F
December 41.7 °F
The most rainy months:
October 4 days
November 3 days
January 3 days
The most windy months:
March 12 mph
January 12 mph
December 12 mph

Charlestown on the Weather Map

USA Resorts:
NAME
Boston +34
Chicago +42
Hawaii +76
Honolulu +76
Houston +70
Las Vegas +60
Los Angeles +56
Miami +76
New York +36
Orlando +64
San Diego +60
San Francisco +52
Sarasota +60
Tampa +62
Washington +38
24 Hours Weather Forecast
Charlestown
Local time: 07:03
17 apr, thursday
0900 40°F
E
17 mph
1200 46°F
E
18 mph
1500 50°F
E
19 mph
1800 52°F
E
12 mph
2100 48°F
SE
8 mph
18 apr, friday
0000 48°F
SE
11 mph
0300 46°F
SE
9 mph
0600 44°F
SE
5 mph