Climate at a glance · Hamamatsu
Annual mean17°day and night
Precipitation2266 mma year
Warmest monthAugustavg high 31°
Coldest monthJanuaryavg low 3°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
2266 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 10° | 11° | 16° | 19° | 22° | 25° | 30° | 31° | 28° | 23° | 18° | 13° |
| Avg low | 3° | 3° | 7° | 12° | 15° | 20° | 24° | 25° | 23° | 17° | 11° | 5° |
| Precip, mm | 60 | 93 | 180 | 225 | 276 | 272 | 261 | 250 | 260 | 178 | 134 | 77 |
| Wet days | 7 | 6 | 11 | 12 | 14 | 13 | 14 | 17 | 17 | 13 | 8 | 5 |
| Sunshine | 8.1 h | 8.1 h | 8.4 h | 8.5 h | 8.1 h | 8.8 h | 10.8 h | 10 h | 9.1 h | 7.6 h | 7.7 h | 8 h |
| Humidity | 61% | 61% | 67% | 72% | 78% | 83% | 83% | 81% | 81% | 75% | 69% | 63% |
| Sea temperature | 16° | 14° | 15° | 17° | 19° | 23° | 28° | 26° | 26° | 24° | 20° | 17° |
| Daylight | 10 h 08 | 10 h 56 | 11 h 59 | 13 h 04 | 13 h 59 | 14 h 26 | 14 h 13 | 13 h 26 | 12 h 24 | 11 h 19 | 10 h 22 | 9 h 52 |
| UV index (clear sky) | 4 | 6 | 8 | 10 | 11 | 12 | 11 | 11 | 9 | 6 | 4 | 4 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
34.7000°N, 137.7330°E