Hamamatsu weather in August 2026

Expect daytime maximum temperatures of 86°F 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 7.7 inches of rainfall in the month.

  • 86°F maximum daytime temperature in August in Hamamatsu86
    86°F max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in August in Hamamatsu16
    16 days with some rainfall
  • 73°F minimum night-time temperature in August in Hamamatsu73
    73°F min night temperature
  • 13 hours of daylight per day in August in Hamamatsu13
    13 hours of daylight per day
  • High heat & humidity in August in HamamatsuH
    High heat & humidity
  • 7.7 inches monthly rainfall in August in Hamamatsu7.7
    7.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Hamamatsu10
    10 (Very High) UV index
  • 81°F sea temperature in August in Hamamatsu81
    81°F sea temperature

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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)  |  Imperial (°F)

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How hot is it in Hamamatsu in August?

Daytime temperatures usually reach 88°F in Hamamatsu in August with high heat and humidity, falling to 75°F at night.

How sunny is it in Hamamatsu in August?

There are normally 6 hours of bright sunshine each day in Hamamatsu in August - that's 43% of daylight hours.

How warm is the sea around Hamamatsu in August?

The average sea temperature around Hamamatsu in August is 79°F.

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 5.8 inches.

What is the chance of a typhoon in Hamamatsu in August?

On average 1.8 days in August in Hamamatsu are likely to be affected by the passage of one or more tropical storms.

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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