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 (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	50	52	59	70	77	82	88	91	84	75	64	55
Min temperature (night-time)	32	36	39	50	59	66	75	75	68	55	45	36
Heat & Humidity	0	0	0	0	L	M	VH	VH	M	0	0	0
Sea temperature	61	59	61	63	66	72	79	81	79	73	70	64

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 (inches)	2.4	3.1	4.9	6.6	8.2	15.6	15.3	7.8	6.7	3.8	2.9	2.0

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 50°F 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 2.4 inches of rainfall in the month.

50
50°F max day temperature
4
4 hours of sunshine per day
17
17 days with some rainfall
32
32°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
61
61°F sea temperature

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Kumamoto weather in February

Expect daytime maximum temperatures of 52°F 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 3.1 inches of rainfall in the month.

52
52°F max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
36
36°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.1
3.1 inches of monthly rainfall
5
5 (Moderate) UV index
59
59°F sea temperature

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Kumamoto weather in March

Expect daytime maximum temperatures of 59°F 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 4.9 inches of rainfall in the month.

59
59°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
39
39°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
4.9
4.9 inches of monthly rainfall
7
7 (High) UV index
61
61°F sea temperature

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Kumamoto weather in April

Expect daytime maximum temperatures of 70°F 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 6.6 inches of rainfall in the month.

70
70°F max day temperature
5
5 hours of sunshine per day
17
17 days with some rainfall
50
50°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
6.6
6.6 inches of monthly rainfall
9
9 (Very High) UV index
63
63°F sea temperature

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Kumamoto weather in May

Expect daytime maximum temperatures of 77°F 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 8.2 inches of rainfall in the month.

77
77°F max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
59
59°F min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
8.2
8.2 inches of monthly rainfall
10
10 (Very High) UV index
66
66°F sea temperature

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Kumamoto weather in June

Expect daytime maximum temperatures of 82°F 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 15.6 inches of rainfall in the month.

82
82°F max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
66
66°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
15.6
15.6 inches of monthly rainfall
11
11 (Extreme) UV index
72
72°F sea temperature

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Kumamoto weather in July

Expect daytime maximum temperatures of 88°F 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 15.3 inches of rainfall in the month.

88
88°F max day temperature
6
6 hours of sunshine per day
20
20 days with some rainfall
75
75°F min night temperature
14
14 hours of daylight per day
VH
Very High heat & humidity
15.3
15.3 inches of monthly rainfall
11
11 (Extreme) UV index
79
79°F sea temperature

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Kumamoto weather in August

Expect daytime maximum temperatures of 91°F 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 7.8 inches of rainfall in the month.

91
91°F max day temperature
7
7 hours of sunshine per day
18
18 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
7.8
7.8 inches of monthly rainfall
11
11 (Extreme) UV index
81
81°F sea temperature

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Kumamoto weather in September

Expect daytime maximum temperatures of 84°F 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 6.7 inches of rainfall in the month.

84
84°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
6.7
6.7 inches of monthly rainfall
9
9 (Very High) UV index
79
79°F sea temperature

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Kumamoto weather in October

Expect daytime maximum temperatures of 75°F 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 3.8 inches of rainfall in the month.

75
75°F max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
55
55°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.8
3.8 inches of monthly rainfall
6
6 (High) UV index
73
73°F sea temperature

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Kumamoto weather in November

Expect daytime maximum temperatures of 64°F 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 2.9 inches of rainfall in the month.

64
64°F max day temperature
5
5 hours of sunshine per day
13
13 days with some rainfall
45
45°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.9
2.9 inches of monthly rainfall
4
4 (Moderate) UV index
70
70°F sea temperature

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Kumamoto weather in December

Expect daytime maximum temperatures of 55°F 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 2.0 inches of rainfall in the month.