Japan in June: where is it warmest?
In June, Naha, Okinawa is the warmest place with 28 °C by day, Hakodate the coolest with 18 °C. 26 of 33 destinations have good holiday weather.
All destinations in June, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Naha, Okinawa | 71 | 28° | 27° | 5 h | 16 |
| Okinawa | 71 | 27° | 27° | 5 h | 16 |
| Okayama | 73 | 26° | 21° | 5 h | 11 |
| Kyoto | 69 | 26° | – | 5 h | 12 |
| Nara | 69 | 26° | – | 5 h | 12 |
| Osaka | 68 | 26° | – | 5 h | 13 |
| Nagoya | 65 | 26° | – | 5 h | 14 |
| Kumamoto | 56 | 26° | 22° | 4 h | 16 |
| Kagoshima | 52 | 26° | 24° | 4 h | 20 |
| Kanazawa | 72 | 25° | 20° | 5 h | 12 |
| Kobe | 67 | 25° | 21° | 5 h | 13 |
| Chiba | 65 | 25° | 21° | 4 h | 13 |
| Minato | 65 | 25° | 21° | 4 h | 13 |
| Fukuoka | 64 | 25° | 21° | 5 h | 14 |
| Tokyo | 63 | 25° | 21° | 4 h | 14 |
| Kitakyūshū | 63 | 25° | 21° | 5 h | 15 |
| Nagano | 62 | 25° | – | 6 h | 16 |
| Hamamatsu | 61 | 25° | 22° | 5 h | 16 |
| Niigata | 72 | 24° | 20° | 6 h | 12 |
| Hiroshima | 68 | 24° | 20° | 5 h | 13 |
| Yokohama | 66 | 24° | 21° | 4 h | 13 |
| Yokosuka | 66 | 24° | 22° | 4 h | 13 |
| Kawasaki | 65 | 24° | 21° | 4 h | 13 |
| Nagasaki | 58 | 24° | 23° | 4 h | 16 |
| Shizuoka | 58 | 24° | 22° | 5 h | 17 |
| Itsukushima | 53 | 24° | 20° | 5 h | 13 |
| Aomori | 77 | 23° | 16° | 6 h | 10 |
| Kamakura | 66 | 23° | 22° | 4 h | 13 |
| Matsumoto | 59 | 23° | – | 5 h | 17 |
| Sendai | 67 | 22° | – | 5 h | 13 |
| Hakone | 53 | 22° | – | 4 h | 19 |
| Sapporo | 76 | 20° | – | 6 h | 11 |
| Hakodate | 75 | 18° | 15° | 6 h | 11 |
Japan in June: quick answers
Japan in June: where is it warmest?
The warmest places in June are Naha, Okinawa (28 °C), Okinawa (27 °C) and Okayama (26 °C).
Japan in June: where is the sea warmest?
The sea is warmest at Naha, Okinawa (27 °C), Okinawa (27 °C) and Kagoshima (24 °C).
Japan in June: where is the weather best?
The best holiday weather in June – warm, sunny and dry – is in Aomori, Sapporo and Hakodate.
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