Climate at a glance · Hamamatsu
Annual mean63°day and night
Precipitation89.21 ina year
Warmest monthAugustavg high 88°
Coldest monthJanuaryavg low 37°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
89.21 in a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 50° | 52° | 61° | 66° | 72° | 77° | 86° | 88° | 82° | 73° | 64° | 55° |
| Avg low | 37° | 37° | 45° | 54° | 59° | 68° | 75° | 77° | 73° | 63° | 52° | 41° |
| Precip, in | 2.36 | 3.66 | 7.09 | 8.86 | 10.87 | 10.71 | 10.28 | 9.84 | 10.24 | 7.01 | 5.28 | 3.03 |
| 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 | 61° | 57° | 60° | 62° | 65° | 73° | 82° | 78° | 78° | 76° | 68° | 62° |
| 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