Charlestown Weather Averages

Climate averages for Charlestown based on 10 years of historical data.

Average Charlestown temperatures by month

Avg high

26°

J

26°

F

26°

M

27°

A

28°

M

28°

J

28°

J

29°

A

29°

S

29°

O

28°

N

27°

D

Avg low

25°

J

25°

F

25°

M

25°

A

26°

M

27°

J

27°

J

27°

A

28°

S

27°

O

27°

N

26°

D

Average rainfall in Charlestown by month

Rainfall (mm)

45

J

50

F

38

M

54

A

62

M

56

J

80

J

103

A

130

S

116

O

113

N

49

D

Sunshine hours in Charlestown by month

Sunshine (h/day)

1

J

2

F

2

M

2

A

1

M

1

J

1

J

1

A

1

S

1

O

1

N

1

D

Humidity in Charlestown by month

Average humidity

74%

J

74%

F

75%

M

76%

A

77%

M

78%

J

78%

J

78%

A

76%

S

75%

O

75%

N

74%

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine
1月の天気	26°C	25°C	45 mm	1.3h
2月の天気	26°C	25°C	50 mm	1.7h
3月の天気	26°C	25°C	38 mm	1.9h
4月の天気	27°C	25°C	54 mm	1.7h
5月の天気	28°C	26°C	62 mm	1.4h
6月の天気	28°C	27°C	56 mm	1.4h
7月の天気	28°C	27°C	80 mm	1.2h
8月の天気	29°C	27°C	103 mm	1.5h
9月の天気	29°C	28°C	130 mm	1.1h
10月の天気	29°C	27°C	116 mm	1.3h
11月の天気	28°C	27°C	113 mm	1.1h
12月の天気	27°C	26°C	49 mm	1.3h