Hamamatsu Climate by Month
Hamamatsu, Shizuoka, Japan
Hot summers and cool winters, with rain spread through the year.
The climate in Hamamatsu is one of hot summers and cool winters, with rain spread through the year. August is the warmest month, with highs around 89°F (31°C); January is the coolest at 51°F (10°C), and nights dip to 36°F (2°C). About 76 in (1939 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 89°F(31°C)
- Average high, August
- Coldest nights
- 36°F(2°C)
- Average low, January
- Rain per year
- 76 in(1939 mm)
- No clear rainy season
- Humidity
- 67%
- Sunniest: May
Best and worst months in Hamamatsu
Best for weatherMay is the best time for weather in Hamamatsu: highs near 74°F (24°C) and about 7.8 in (197 mm) of rain a month.
Least pleasantJanuary and July are the least pleasant; January is the coldest, with highs of only 51°F (10°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Hamamatsu weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 51°F(10°C) | 36°F(2°C) | 2.6 in(67 mm) | 53% | 2.8 |
| FebFebruary | 52°F(11°C) | 37°F(3°C) | 3.4 in(87 mm) | 60% | 3.5 |
| MarMarch | 59°F(15°C) | 43°F(6°C) | 5.5 in(139 mm) | 55% | 4.3 |
| AprApril | 67°F(20°C) | 51°F(11°C) | 6.8 in(172 mm) | 64% | 5.0 |
| MayMayBest | 74°F(24°C) | 59°F(15°C) | 7.8 in(197 mm) | 67% | 5.3 |
| JunJune | 79°F(26°C) | 67°F(19°C) | 10 in(256 mm) | 76% | 4.8 |
| JulJuly | 86°F(30°C) | 74°F(23°C) | 9.4 in(240 mm) | 78% | 5.1 |
| AugAugust | 89°F(31°C) | 76°F(24°C) | 6.2 in(157 mm) | 75% | 5.3 |
| SepSeptember | 83°F(28°C) | 70°F(21°C) | 7.4 in(188 mm) | 74% | 4.0 |
| OctOctober | 74°F(24°C) | 60°F(16°C) | 9.2 in(233 mm) | 70% | 3.3 |
| NovNovember | 65°F(18°C) | 50°F(10°C) | 4.9 in(125 mm) | 69% | 2.7 |
| DecDecember | 55°F(13°C) | 40°F(5°C) | 3.1 in(78 mm) | 62% | 2.5 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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