Japan in October: where is it warmest?
In October, Naha, Okinawa is the warmest place with 27 °C by day, Sapporo the coolest with 15 °C. 31 of 33 destinations have good holiday weather.
All destinations in October, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Naha, Okinawa | 77 | 27° | 27° | 5 h | 12 |
| Okinawa | 77 | 26° | 27° | 5 h | 12 |
| Kagoshima | 77 | 24° | 26° | 6 h | 10 |
| Nagasaki | 81 | 23° | 24° | 6 h | 8 |
| Kumamoto | 80 | 23° | 23° | 5 h | 8 |
| Hiroshima | 81 | 22° | 23° | 6 h | 8 |
| Fukuoka | 81 | 22° | 23° | 6 h | 8 |
| Kitakyūshū | 79 | 22° | 23° | 6 h | 8 |
| Okayama | 78 | 22° | 24° | 6 h | 9 |
| Osaka | 75 | 22° | – | 5 h | 10 |
| Nagoya | 75 | 22° | – | 5 h | 10 |
| Kobe | 75 | 22° | 23° | 6 h | 10 |
| Nara | 75 | 22° | – | 5 h | 10 |
| Hamamatsu | 69 | 22° | 24° | 5 h | 13 |
| Itsukushima | 62 | 22° | 23° | 6 h | 8 |
| Kyoto | 75 | 21° | – | 5 h | 10 |
| Tokyo | 65 | 21° | 22° | 4 h | 13 |
| Yokohama | 65 | 21° | 22° | 4 h | 13 |
| Minato | 65 | 21° | 22° | 4 h | 13 |
| Kawasaki | 65 | 21° | 22° | 4 h | 13 |
| Yokosuka | 65 | 21° | 23° | 4 h | 13 |
| Shizuoka | 65 | 21° | 24° | 5 h | 14 |
| Chiba | 63 | 21° | 22° | 4 h | 14 |
| Kanazawa | 67 | 20° | 22° | 5 h | 13 |
| Kamakura | 65 | 20° | 23° | 4 h | 13 |
| Niigata | 62 | 19° | 22° | 5 h | 15 |
| Nagano | 60 | 19° | – | 5 h | 17 |
| Sendai | 70 | 18° | – | 5 h | 11 |
| Matsumoto | 62 | 18° | – | 5 h | 14 |
| Hakone | 60 | 18° | – | 4 h | 15 |
| Aomori | 62 | 17° | 19° | 5 h | 12 |
| Hakodate | 59 | 16° | 19° | 5 h | 12 |
| Sapporo | 47 | 15° | – | 5 h | 14 |
Japan in October: quick answers
Japan in October: where is it warmest?
The warmest places in October are Naha, Okinawa (27 °C), Okinawa (26 °C) and Kagoshima (24 °C).
Japan in October: where is the sea warmest?
The sea is warmest at Naha, Okinawa (27 °C), Okinawa (27 °C) and Kagoshima (26 °C).
Japan in October: where is the weather best?
The best holiday weather in October – warm, sunny and dry – is in Nagasaki, Hiroshima and Fukuoka.
Japan month by month
Japan: weather & best time to visit
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