Okayama weather by month

Check out Okayama weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Okayama (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
9°C maximum daytime temperature in January in Okayama9
9°C maximum daytime temperature in February in Okayama9
13°C maximum daytime temperature in March in Okayama13
19°C maximum daytime temperature in April in Okayama19
24°C maximum daytime temperature in May in Okayama24
27°C maximum daytime temperature in June in Okayama27
31°C maximum daytime temperature in July in Okayama31
32°C maximum daytime temperature in August in Okayama32
28°C maximum daytime temperature in September in Okayama28
22°C maximum daytime temperature in October in Okayama22
17°C maximum daytime temperature in November in Okayama17
11°C maximum daytime temperature in December in Okayama11
Min temperature (night-time)
0°C minimum night-time temperature in January in Okayama0
1°C minimum night-time temperature in February in Okayama1
3°C minimum night-time temperature in March in Okayama3
9°C minimum night-time temperature in April in Okayama9
13°C minimum night-time temperature in May in Okayama13
19°C minimum night-time temperature in June in Okayama19
23°C minimum night-time temperature in July in Okayama23
24°C minimum night-time temperature in August in Okayama24
20°C minimum night-time temperature in September in Okayama20
13°C minimum night-time temperature in October in Okayama13
7°C minimum night-time temperature in November in Okayama7
2°C minimum night-time temperature in December in Okayama2
Heat & Humidity
No heat & humidity in January in Okayama0
No heat & humidity in February in Okayama0
No heat & humidity in March in Okayama0
No heat & humidity in April in Okayama0
No heat & humidity in May in Okayama0
Low heat & humidity in June in OkayamaL
High heat & humidity in July in OkayamaH
Very high heat & humidity in August in OkayamaVH
Moderate heat & humidity in September in OkayamaM
No heat & humidity in October in Okayama0
No heat & humidity in November in Okayama0
No heat & humidity in December in Okayama0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Okayama

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Okayama10
11 hours of daylight per day in February in Okayama11
12 hours of daylight per day in March in Okayama12
13 hours of daylight per day in April in Okayama13
14 hours of daylight per day in May in Okayama14
14 hours of daylight per day in June in Okayama14
14 hours of daylight per day in July in Okayama14
13 hours of daylight per day in August in Okayama13
12 hours of daylight per day in September in Okayama12
11 hours of daylight per day in October in Okayama11
10 hours of daylight per day in November in Okayama10
10 hours of daylight per day in December in Okayama10
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Okayama3
UV (maximum) index 4 (Moderate) in February in Okayama4
UV (maximum) index 6 (High) in March in Okayama6
UV (maximum) index 8 (Very High) in April in Okayama8
UV (maximum) index 9 (Very High) in May in Okayama9
UV (maximum) index 10 (Very High) in June in Okayama10
UV (maximum) index 11 (Extreme) in July in Okayama11
UV (maximum) index 10 (Very High) in August in Okayama10
UV (maximum) index 8 (Very High) in September in Okayama8
UV (maximum) index 6 (High) in October in Okayama6
UV (maximum) index 3 (Moderate) in November in Okayama3
UV (maximum) index 2 (Low) in December in Okayama2

Rainfall in Okayama

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
18 days with some rainfall in January in Okayama18
17 days with some rainfall in February in Okayama17
18 days with some rainfall in March in Okayama18
15 days with some rainfall in April in Okayama15
14 days with some rainfall in May in Okayama14
17 days with some rainfall in June in Okayama17
17 days with some rainfall in July in Okayama17
13 days with some rainfall in August in Okayama13
17 days with some rainfall in September in Okayama17
14 days with some rainfall in October in Okayama14
14 days with some rainfall in November in Okayama14
15 days with some rainfall in December in Okayama15
Average monthly rainfall (mm)
41 mm monthly rainfall in January in Okayama41
51 mm monthly rainfall in February in Okayama51
76 mm monthly rainfall in March in Okayama76
110 mm monthly rainfall in April in Okayama110
114 mm monthly rainfall in May in Okayama114
180 mm monthly rainfall in June in Okayama180
164 mm monthly rainfall in July in Okayama164
93 mm monthly rainfall in August in Okayama93
191 mm monthly rainfall in September in Okayama191
98 mm monthly rainfall in October in Okayama98
62 mm monthly rainfall in November in Okayama62
32 mm monthly rainfall in December in Okayama32

More about Okayama

Okayama by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Japan (Okayama) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Okayama?

Okayama has a temperate climate with hot summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Okayama typhoon season

% of month affected by tropical storms
0
0
0
0
0
1.8%
2.8%
5.8%
4.9%
1.4%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about Japan

Compare Okayama with the USA

Below the Okayama chart shows average maximum daytime temperature for Okayama, Japan and the USA (Washington).

Maximum daytime temperature (°C)

Okayama, Japan
USA (Washington)
9
5
9
7
13
13
19
19
24
24
27
29
31
31
32
30
28
26
22
20
17
14
11
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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