Hamamatsu, Shizuoka, Japan climate
Average temperatures, precipitation and all-time records for Hamamatsu, Shizuoka, Japan, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 31°C, and its coldest is January, with an average low of 3°C.
Hamamatsu is a city located in western Shizuoka Prefecture, Japan. In September 2023, the city had an estimated population of 780,128 in 340,591 households, making it the prefecture's largest city, with a population density of 500/km2 (1,300/sq mi) over the total urban area of 1,558.06 km2 (601.57 s… via Wikipedia
How today compares
Latest recorded day: 2026-07-24. Each reading placed on Hamamatsu, Shizuoka, Japan's own ±7-day seasonal distribution.
Hamamatsu average temperatures by month
Typical daily high and low, and average precipitation, for each month in Hamamatsu, Shizuoka, Japan, based on 1980–2026 records. The wettest month is June (10 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 10°C | 3°C | 3 mm |
| February | 11°C | 3°C | 3 mm |
| March | 14°C | 6°C | 5 mm |
| April | 19°C | 11°C | 5 mm |
| May | 23°C | 15°C | 8 mm |
| June | 26°C | 20°C | 10 mm |
| July | 30°C | 24°C | 8 mm |
| August | 31°C | 25°C | 8 mm |
| September | 28°C | 22°C | 8 mm |
| October | 23°C | 16°C | 8 mm |
| November | 18°C | 10°C | 5 mm |
| December | 12°C | 5°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 42°C on 2020-08-17
- Coldest day on record: -5°C on 1996-02-19
Percentiles compare each day to Hamamatsu, Shizuoka, Japan's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →