Kumamoto weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Kumamoto (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	10	11	15	21	25	28	31	33	29	24	18	13
Min temperature (night-time)	0	2	4	10	15	19	24	24	20	13	7	2
Heat & Humidity	0	0	0	0	L	M	VH	VH	M	0	0	0
Sea temperature	16	15	16	17	19	22	26	27	26	23	21	18

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

Sunshine & UV index in Kumamoto

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

Rainfall in Kumamoto

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	17	17	18	17	16	19	20	18	17	13	13	16
Average monthly rainfall (mm)	62	80	125	168	209	396	389	197	169	96	74	50

More about Kumamoto

Kumamoto by month

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

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The climate guide for Japan (Kumamoto) 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 Kumamoto?

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

Kumamoto weather in January

Expect daytime maximum temperatures of 10°C in Kumamoto, Japan in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 17 days with some rainfall and typically 62 mm of rainfall in the month.

10
10°C max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
0
0°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
62
62 mm of monthly rainfall
3
3 (Moderate) UV index
16
16°C sea temperature

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Kumamoto weather in February

Expect daytime maximum temperatures of 11°C in Kumamoto, 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 80 mm of rainfall in the month.

11
11°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
2
2°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
80
80 mm of monthly rainfall
5
5 (Moderate) UV index
15
15°C sea temperature

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Kumamoto weather in March

Expect daytime maximum temperatures of 15°C in Kumamoto, 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 125 mm of rainfall in the month.

15
15°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
4
4°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
125
125 mm of monthly rainfall
7
7 (High) UV index
16
16°C sea temperature

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Kumamoto weather in April

Expect daytime maximum temperatures of 21°C in Kumamoto, Japan in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 168 mm of rainfall in the month.

21
21°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
168
168 mm of monthly rainfall
9
9 (Very High) UV index
17
17°C sea temperature

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Kumamoto weather in May

Expect daytime maximum temperatures of 25°C in Kumamoto, Japan in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 209 mm of rainfall in the month.

25
25°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
15
15°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
209
209 mm of monthly rainfall
10
10 (Very High) UV index
19
19°C sea temperature

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Kumamoto weather in June

Expect daytime maximum temperatures of 28°C in Kumamoto, Japan in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 396 mm of rainfall in the month.

28
28°C max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
19
19°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
396
396 mm of monthly rainfall
11
11 (Extreme) UV index
22
22°C sea temperature

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Kumamoto weather in July

Expect daytime maximum temperatures of 31°C in Kumamoto, Japan in July and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 20 days with some rainfall and typically 389 mm of rainfall in the month.

31
31°C max day temperature
6
6 hours of sunshine per day
20
20 days with some rainfall
24
24°C min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
389
389 mm of monthly rainfall
11
11 (Extreme) UV index
26
26°C sea temperature

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Kumamoto weather in August

Expect daytime maximum temperatures of 33°C in Kumamoto, 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 18 days with some rainfall and typically 197 mm of rainfall in the month.

33
33°C max day temperature
7
7 hours of sunshine per day
18
18 days with some rainfall
24
24°C min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
197
197 mm of monthly rainfall
11
11 (Extreme) UV index
27
27°C sea temperature

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Kumamoto weather in September

Expect daytime maximum temperatures of 29°C in Kumamoto, 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 169 mm of rainfall in the month.

29
29°C max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
20
20°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
169
169 mm of monthly rainfall
9
9 (Very High) UV index
26
26°C sea temperature

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Kumamoto weather in October

Expect daytime maximum temperatures of 24°C in Kumamoto, Japan in October based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 96 mm of rainfall in the month.

24
24°C max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
13
13°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
96
96 mm of monthly rainfall
6
6 (High) UV index
23
23°C sea temperature

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Kumamoto weather in November

Expect daytime maximum temperatures of 18°C in Kumamoto, Japan in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 74 mm of rainfall in the month.

18
18°C max day temperature
5
5 hours of sunshine per day
13
13 days with some rainfall
7
7°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
74
74 mm of monthly rainfall
4
4 (Moderate) UV index
21
21°C sea temperature

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Kumamoto weather in December

Expect daytime maximum temperatures of 13°C in Kumamoto, Japan in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 50 mm of rainfall in the month.