Which is the hottest month in Kumamoto?

The hottest time of year in Kumamoto is normally August. Expect maximum daytime temperatures to reach 31°C with high heat and humidity.

Which month has the most rain in Kumamoto?

In terms of rainfall, June is usually the wettest month in Kumamoto with 181mm on average. There are normally 20 days in June with some rain.

When is it sunniest in Kumamoto?

The sunniest time of year in Kumamoto is normally January with bright sunshine on average for 59% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Kumamoto?

The sea is usually at its warmest in Kumamoto in August when the water temperature reaches 26°C.

Best time to visit Kumamoto

Q: When is the best time to visit Kumamoto?

The best times to visit Kumamoto, Japan are in May and October Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit Kumamoto, Japan are in May and October based on our default weather conditions. Update your weather preferences to see which months best match.

Kumamoto by month

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

Recommended for Japan

Marriott discount code: up to 20% off hotel stays

Discount Code

Save up to 20% when you book long stays with Marriott
20% off - 4-6 nights, 15% off 3 nights
Book hotels in Europe, the Middle East & Africa

Show discount code

******UK8

Redeem Marriott discount code >>

View all Marriott offers

When is the best time to visit Kumamoto?

The best times to visit Kumamoto, Japan are in May and October based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
1.5
Feb
1.5
Mar
4
Apr
4
May
4
Jun
3.5
Jul
3
Aug
4
Sep
4
Oct
2.5
Nov
1.5
Dec

Change criteria

Max Day Temperature (°F)

50
Jan
52
Feb
59
Mar
70
Apr
77
May
82
Jun
88
Jul
91
Aug
84
Sep
75
Oct
64
Nov
55
Dec

Hours of Sunshine (daily)

4
Jan
5
Feb
5
Mar
5
Apr
6
May
5
Jun
6
Jul
7
Aug
5
Sep
6
Oct
5
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Japan (Kumamoto) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)