Kumamoto weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: April – May, September – November
What is the weather like in Kumamoto in October?
In October, Kumamoto is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 23.4 °C – pleasant for swimming. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 101 mm. All in all, October is an excellent month for a holiday in Kumamoto.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 68 | 80 | 72 |
| Day | 28° | 23° | 17° |
| Night | 21° | 16° | 10° |
| Sea | 27° | 23° | 20° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 11 | 8 | 8 |
More details for October
- Daylight
- 11 h 25 min06:20 – 17:45
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 49 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %74 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- A jumper for the evenings
Kumamoto in October: quick answers
Is Kumamoto hot in October?
Warm rather than hot: in October, daytime highs in Kumamoto average 23 °C and nights cool to about 16 °C.
Can you swim in Kumamoto in October?
Yes. In October the sea averages 23.4 °C – pleasant for swimming.
Does it rain much in Kumamoto in October?
Rain falls on about 8 days, adding up to 101 mm.
Kumamoto month by month
The whole year in KumamotoAll destinations: JapanWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences