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Weather in Hamamatsu

Live weather forecast for Hamamatsu, Japan: current temperature, feels-like, wind, humidity, 48-hour hourly chart, 16-day outlook, air quality, UV and sunrise/sunset.

This page shows a live weather forecast for Hamamatsu, Japan, updated on every visit. You get the current temperature and how it feels, wind, humidity and pressure, an hourly chart for the next 48 hours, and a 16-day daily outlook with highs, lows and the chance of precipitation.

Current weather

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Hourly forecast (48 h)

16-day forecast

Climate & monthly averages

Average temperature and rainfall in Hamamatsu by month (1991–2020 reference, ERA5 reanalysis).

12°15°19°22°26°27°25°19°14°Jan61Feb83Mar190Apr239May263Jun268Jul318Aug265Sep291Oct140Nov137Dec102
Warmest monthAug · 27°C / 81°F
Coldest monthJan · 6°C / 43°F
Wettest monthJul · 318 mm
Annual avg temp17°C / 62°F
Annual rainfall2357 mm

About Hamamatsu

Population791,707
Coordinates34.700, 137.733
Time zoneAsia/Tokyo

Nearby cities in Japan

Weather in nearby countries

Live weather forecast for Hamamatsu

This page shows a live weather forecast for Hamamatsu, Japan, updated on every visit. You get the current temperature and how it feels, wind, humidity and pressure, an hourly chart for the next 48 hours, and a 16-day daily outlook with highs, lows and the chance of precipitation.

We also surface air quality (European AQI, PM2.5 and PM10), the UV index, sunrise and sunset times, and — for coastal locations — a short marine outlook. All data comes from Open-Meteo's open weather APIs and is free to use.

On average, the warmest month in Hamamatsu is Aug (27°C) and the coldest is Jan (6°C). The wettest month is Jul (about 318 mm of rainfall), while Jan is the driest. The annual average temperature is around 16.7°C, with roughly 2357 mm of precipitation per year.

FAQ

How accurate is this forecast?

Forecasts use Open-Meteo, which blends leading national weather models (such as ECMWF, GFS and ICON). Hourly accuracy is high for the next 1–3 days and decreases further out, as with any forecast.

How often does the weather update?

The forecast is fetched live from the weather API each time you open the page, so you always see the latest available model run.

Can I switch between °C and °F?

Yes — use the °C / °F toggle above the current conditions. Your choice is remembered on this device.