Cardiff Weather Averages

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

Average Cardiff temperatures by month

Avg high

8°

J

9°

F

10°

M

12°

A

16°

M

18°

J

20°

J

20°

A

18°

S

15°

O

11°

N

10°

D

Avg low

4°

J

4°

F

5°

M

6°

A

9°

M

12°

J

13°

J

14°

A

12°

S

10°

O

7°

N

6°

D

Average rainfall in Cardiff by month

Rainfall (mm)

103

J

107

F

111

M

68

A

85

M

67

J

89

J

103

A

109

S

145

O

115

N

146

D

Sunshine hours in Cardiff by month

Sunshine (h/day)

2

J

2

F

2

M

3

A

3

M

4

J

3

J

3

A

3

S

2

O

1

N

1

D

Humidity in Cardiff by month

Average humidity

82%

J

81%

F

82%

M

79%

A

81%

M

82%

J

80%

J

80%

A

80%

S

82%

O

82%

N

84%

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine
Pogoda w styczniu	8°C	4°C	103 mm	1.7h
Pogoda w lutym	9°C	4°C	107 mm	1.8h
Pogoda w marcu	10°C	5°C	111 mm	2.2h
Pogoda w kwietniu	12°C	6°C	68 mm	2.7h
Pogoda w maju	16°C	9°C	85 mm	3.0h
Pogoda w czerwcu	18°C	12°C	67 mm	3.6h
Pogoda w lipcu	20°C	13°C	89 mm	2.8h
Pogoda w sierpniu	20°C	14°C	103 mm	2.5h
Pogoda we wrześniu	18°C	12°C	109 mm	2.8h
Pogoda w październiku	15°C	10°C	145 mm	1.9h
Pogoda w listopadzie	11°C	7°C	115 mm	1.4h
Pogoda w grudniu	10°C	6°C	146 mm	1.1h