Perth Weather Averages

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

Average Perth temperatures by month

Avg high

31°

J

31°

F

29°

M

25°

A

21°

M

18°

J

17°

J

17°

A

19°

S

23°

O

26°

N

30°

D

Avg low

19°

J

20°

F

19°

M

16°

A

13°

M

11°

J

11°

J

10°

A

11°

S

13°

O

16°

N

18°

D

Average rainfall in Perth by month

Rainfall (mm)

26

J

25

F

37

M

39

A

83

M

108

J

122

J

110

A

50

S

40

O

22

N

8

D

Sunshine hours in Perth by month

Sunshine (h/day)

10

J

9

F

7

M

6

A

5

M

3

J

3

J

3

A

5

S

6

O

8

N

10

D

Humidity in Perth by month

Average humidity

49%

J

49%

F

53%

M

56%

A

60%

M

66%

J

70%

J

69%

A

65%

S

60%

O

54%

N

46%

D

Sea temperature in Perth by month

Sea temp

24°

J

24°

F

23°

M

21°

A

19°

M

18°

J

17°

J

17°

A

18°

S

20°

O

21°

N

23°

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine	Sea Temp
Pogoda w styczniu	31°C	19°C	26 mm	9.9h	24.0°C
Pogoda w lutym	31°C	20°C	25 mm	8.5h	24.1°C
Pogoda w marcu	29°C	19°C	37 mm	6.9h	23.1°C
Pogoda w kwietniu	25°C	16°C	39 mm	5.7h	20.9°C
Pogoda w maju	21°C	13°C	83 mm	4.7h	19.5°C
Pogoda w czerwcu	18°C	11°C	108 mm	3.5h	18.1°C
Pogoda w lipcu	17°C	11°C	122 mm	2.6h	16.9°C
Pogoda w sierpniu	17°C	10°C	110 mm	3.4h	17.2°C
Pogoda we wrześniu	19°C	11°C	50 mm	4.6h	18.1°C
Pogoda w październiku	23°C	13°C	40 mm	5.7h	19.6°C
Pogoda w listopadzie	26°C	16°C	22 mm	7.6h	21.2°C
Pogoda w grudniu	30°C	18°C	8 mm	9.5h	23.0°C