Okayama weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Okayama (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	48	48	55	66	75	81	88	90	82	72	63	52
Min temperature (night-time)	32	34	37	48	55	66	73	75	68	55	45	36
Heat & Humidity	0	0	0	0	0	L	H	VH	M	0	0	0

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

Sunshine & UV index in Okayama

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	5	5	5	6	7	5	6	7	5	5	5	5
Daily hours of daylight	10	11	12	13	14	14	14	13	12	11	10	10
UV Index (Maximum)	3	4	6	8	9	10	11	10	8	6	3	2

Rainfall in Okayama

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	18	17	18	15	14	17	17	13	17	14	14	15
Average monthly rainfall (inches)	1.6	2.0	3.0	4.3	4.5	7.1	6.5	3.7	7.5	3.9	2.4	1.3

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.

Okayama weather in January

Expect daytime maximum temperatures of 48°F in Okayama, Japan in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 1.6 inches of rainfall in the month.

48
48°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
32
32°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
1.6
1.6 inches of monthly rainfall
3
3 (Moderate) UV index

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Okayama weather in February

Expect daytime maximum temperatures of 48°F in Okayama, Japan in February based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 2.0 inches of rainfall in the month.

48
48°F max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
34
34°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
2.0
2.0 inches of monthly rainfall
4
4 (Moderate) UV index

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Okayama weather in March

Expect daytime maximum temperatures of 55°F in Okayama, Japan in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 3.0 inches of rainfall in the month.

55
55°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
37
37°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.0
3.0 inches of monthly rainfall
6
6 (High) UV index

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Okayama weather in April

Expect daytime maximum temperatures of 66°F in Okayama, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 4.3 inches of rainfall in the month.

66
66°F max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
48
48°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
4.3
4.3 inches of monthly rainfall
8
8 (Very High) UV index

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Okayama weather in May

Expect daytime maximum temperatures of 75°F in Okayama, Japan in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 4.5 inches of rainfall in the month.

75
75°F max day temperature
7
7 hours of sunshine per day
14
14 days with some rainfall
55
55°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
4.5
4.5 inches of monthly rainfall
9
9 (Very High) UV index

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Okayama weather in June

Expect daytime maximum temperatures of 81°F in Okayama, Japan in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 7.1 inches of rainfall in the month.

81
81°F max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
66
66°F min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
7.1
7.1 inches of monthly rainfall
10
10 (Very High) UV index

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Okayama weather in July

Expect daytime maximum temperatures of 88°F in Okayama, Japan in July and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 6.5 inches of rainfall in the month.

88
88°F max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
73
73°F min night temperature
14
14 hours of daylight per day
H
High heat & humidity
6.5
6.5 inches of monthly rainfall
11
11 (Extreme) UV index

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Okayama weather in August

Expect daytime maximum temperatures of 90°F in Okayama, Japan in August and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 3.7 inches of rainfall in the month.

90
90°F max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
3.7
3.7 inches of monthly rainfall
10
10 (Very High) UV index

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Okayama weather in September

Expect daytime maximum temperatures of 82°F in Okayama, Japan in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 7.5 inches of rainfall in the month.

82
82°F max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
68
68°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
7.5
7.5 inches of monthly rainfall
8
8 (Very High) UV index

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Okayama weather in October

Expect daytime maximum temperatures of 72°F in Okayama, Japan in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 3.9 inches of rainfall in the month.

72
72°F max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
55
55°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.9
3.9 inches of monthly rainfall
6
6 (High) UV index

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Okayama weather in November

Expect daytime maximum temperatures of 63°F in Okayama, Japan in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 2.4 inches of rainfall in the month.

63
63°F max day temperature
5
5 hours of sunshine per day
14
14 days with some rainfall
45
45°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.4
2.4 inches of monthly rainfall
3
3 (Moderate) UV index

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Okayama weather in December

Expect daytime maximum temperatures of 52°F in Okayama, Japan in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall.