Castletown Weather Averages

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

Average Castletown temperatures by month

Avg high

9°

J

8°

F

8°

M

10°

A

12°

M

15°

J

16°

J

16°

A

15°

S

14°

O

11°

N

10°

D

Avg low

6°

J

6°

F

6°

M

7°

A

10°

M

12°

J

14°

J

14°

A

13°

S

11°

O

9°

N

8°

D

Average rainfall in Castletown by month

Rainfall (mm)

97

J

97

F

98

M

61

A

59

M

66

J

90

J

100

A

105

S

121

O

127

N

132

D

Sunshine hours in Castletown by month

Sunshine (h/day)

1

J

1

F

2

M

3

A

4

M

4

J

3

J

3

A

2

S

1

O

1

N

1

D

Humidity in Castletown by month

Average humidity

78%

J

79%

F

80%

M

79%

A

82%

M

84%

J

84%

J

84%

A

81%

S

79%

O

77%

N

79%

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine
Pogoda w styczniu	9°C	6°C	97 mm	1.0h
Pogoda w lutym	8°C	6°C	97 mm	1.3h
Pogoda w marcu	8°C	6°C	98 mm	2.0h
Pogoda w kwietniu	10°C	7°C	61 mm	3.1h
Pogoda w maju	12°C	10°C	59 mm	3.9h
Pogoda w czerwcu	15°C	12°C	66 mm	3.9h
Pogoda w lipcu	16°C	14°C	90 mm	3.0h
Pogoda w sierpniu	16°C	14°C	100 mm	2.6h
Pogoda we wrześniu	15°C	13°C	105 mm	2.5h
Pogoda w październiku	14°C	11°C	121 mm	1.4h
Pogoda w listopadzie	11°C	9°C	127 mm	1.0h
Pogoda w grudniu	10°C	8°C	132 mm	0.9h