Hamamatsu weather in June 2026

Expect daytime maximum temperatures of 25°C in Hamamatsu, Japan in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 247 mm of rainfall in the month.

  • 25°C maximum daytime temperature in June in Hamamatsu25
    25°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in June in Hamamatsu18
    18 days with some rainfall
  • 18°C minimum night-time temperature in June in Hamamatsu18
    18°C min night temperature
  • 14 hours of daylight per day in June in Hamamatsu14
    14 hours of daylight per day
  • Low heat & humidity in June in HamamatsuL
    Low heat & humidity
  • 247 mm monthly rainfall in June in Hamamatsu247
    247 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Hamamatsu10
    10 (Very High) UV index
  • 23°C sea temperature in June in Hamamatsu23
    23°C sea temperature

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The June 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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How hot is it in Hamamatsu in June?

Daytime temperatures usually reach 25°C in Hamamatsu in June with low heat and humidity, falling to 18°C at night.

How sunny is it in Hamamatsu in June?

There are normally 5 hours of bright sunshine each day in Hamamatsu in June - that's 33% of daylight hours.

How warm is the sea around Hamamatsu in June?

The average sea temperature around Hamamatsu in June is 23°C.

Does it rain in Hamamatsu in June?

There are usually 18 days with some rain in Hamamatsu in June and the average monthly rainfall is 247mm.

Hamamatsu June sunrise & sunset times

Browse the sunrise and sunset times for Hamamatsu in June 2026. Select a month to view Hamamatsu sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 04:37 18:57
Monday, 15th June 2026 04:35 19:04
Tuesday, 30th June 2026 04:39 19:06

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