Okayama Weather Averages

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

Average Okayama temperatures by month

Avg high

9°

J

10°

F

14°

M

19°

A

23°

M

26°

J

30°

J

32°

A

28°

S

22°

O

17°

N

11°

D

Avg low

2°

J

2°

F

5°

M

10°

A

14°

M

19°

J

24°

J

25°

A

21°

S

15°

O

9°

N

4°

D

Average rainfall in Okayama by month

Rainfall (mm)

46

J

50

F

106

M

155

A

133

M

219

J

286

J

203

A

211

S

116

O

68

N

49

D

Sunshine hours in Okayama by month

Sunshine (h/day)

3

J

3

F

4

M

5

A

5

M

4

J

3

J

4

A

3

S

4

O

4

N

3

D

Humidity in Okayama by month

Average humidity

68%

J

66%

F

66%

M

68%

A

69%

M

77%

J

79%

J

73%

A

74%

S

69%

O

68%

N

67%

D

Sea temperature in Okayama by month

Sea temp

11°

J

10°

F

11°

M

14°

A

18°

M

21°

J

27°

J

29°

A

29°

S

25°

O

19°

N

14°

D

Month-by-month averages

Month	Avg High	Avg Low	Rainfall	Sunshine	Sea Temp
Weer in januari	9°C	2°C	46 mm	2.7h	10.6°C
Weer in februari	10°C	2°C	50 mm	2.8h	9.6°C
Weer in maart	14°C	5°C	106 mm	3.6h	10.7°C
Weer in april	19°C	10°C	155 mm	4.5h	14.3°C
Weer in mei	23°C	14°C	133 mm	5.5h	17.9°C
Weer in juni	26°C	19°C	219 mm	4.3h	21.4°C
Weer in juli	30°C	24°C	286 mm	3.1h	26.6°C
Weer in augustus	32°C	25°C	203 mm	3.8h	29.4°C
Weer in september	28°C	21°C	211 mm	2.9h	29.0°C
Weer in oktober	22°C	15°C	116 mm	4.1h	24.7°C
Weer in november	17°C	9°C	68 mm	3.8h	19.3°C
Weer in december	11°C	4°C	49 mm	2.8h	13.8°C