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Hamamatsu weather in August 2026
Expect daytime maximum temperatures of 30°C in Hamamatsu, Japan in August and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 195 mm of rainfall in the month.
- 30°C max day temperature
30 - 7 hours of sunshine per day
- 16 days with some rainfall
16 - 23°C min night temperature
23 - 13 hours of daylight per day
13 - High heat & humidity
H - 195 mm of monthly rainfall
195 - 10 (Very High) UV index
10 - 27°C sea temperature
27
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Recommended for Japan
The August weather guide for Japan (Hamamatsu) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Japan
How hot is it in Hamamatsu in August?
Daytime temperatures usually reach 30°C in Hamamatsu in August with high heat and humidity, falling to 23°C at night.
How sunny is it in Hamamatsu in August?
There are normally 7 hours of bright sunshine each day in Hamamatsu in August - that's 50% of daylight hours.
How warm is the sea around Hamamatsu in August?
The average sea temperature around Hamamatsu in August is 27°C.
Does it rain in Hamamatsu in August?
There are usually 16 days with some rain in Hamamatsu in August and the average monthly rainfall is 195mm.
Hamamatsu August sunrise & sunset times
Browse the sunrise and sunset times for Hamamatsu in August 2026. Select a month to view Hamamatsu sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 04:59 | 18:52 |
| Sunday, 16th August 2026 | 05:10 | 18:36 |
| Monday, 31st August 2026 | 05:21 | 18:17 |
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