Hamamatsu weather in October 2025

Expect 22°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hamamatsu in October. Check more long-term weather averages for Hamamatsu in October before you book your next holiday to Japan in 2025/2026.

  • 22°C maximum daytime temperature in October in Hamamatsu22
    22°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in October in Hamamatsu15
    15 days with some rainfall
  • 14°C minimum night-time temperature in October in Hamamatsu14
    14°C min night temperature
  • 11 hours of daylight per day in October in Hamamatsu11
    11 hours of daylight per day
  • No heat & humidity in October in Hamamatsu0
    No heat & humidity
  • 158 mm monthly rainfall in October in Hamamatsu158
    158 mm of monthly rainfall
  • UV (maximum) index 6 (High) in October in Hamamatsu6
    6 (High) UV index
  • 24°C sea temperature in October in Hamamatsu24
    24°C sea temperature

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The October 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)

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More about Japan

How hot is it in Hamamatsu in October?

Daytime temperatures usually reach 22°C in Hamamatsu in October, falling to 14°C at night.

How sunny is it in Hamamatsu in October?

There are normally 5 hours of bright sunshine each day in Hamamatsu in October - that's 45% of daylight hours.

How warm is the sea around Hamamatsu in October?

The average sea temperature around Hamamatsu in October is 24°C.

Does it rain in Hamamatsu in October?

There are usually 15 days with some rain in Hamamatsu in October and the average monthly rainfall is 158mm.

Hamamatsu October sunrise & sunset times

Browse the sunrise and sunset times for Hamamatsu in October 2025. Select a month to view Hamamatsu sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:44 17:33
Thursday, 16th October 2025 05:55 17:13
Friday, 31st October 2025 06:08 16:56

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