Hamamatsu weather in April 2026

Expect daytime maximum temperatures of 18°C in Hamamatsu, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 187 mm of rainfall in the month.

  • 18°C maximum daytime temperature in April in Hamamatsu18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in April in Hamamatsu16
    16 days with some rainfall
  • 10°C minimum night-time temperature in April in Hamamatsu10
    10°C min night temperature
  • 13 hours of daylight per day in April in Hamamatsu13
    13 hours of daylight per day
  • No heat & humidity in April in Hamamatsu0
    No heat & humidity
  • 187 mm monthly rainfall in April in Hamamatsu187
    187 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in April in Hamamatsu8
    8 (Very High) UV index
  • 18°C sea temperature in April in Hamamatsu18
    18°C sea temperature

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The April 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 April?

Daytime temperatures usually reach 18°C in Hamamatsu in April, falling to 10°C at night.

How sunny is it in Hamamatsu in April?

There are normally 6 hours of bright sunshine each day in Hamamatsu in April - that's 44% of daylight hours.

How warm is the sea around Hamamatsu in April?

The average sea temperature around Hamamatsu in April is 18°C.

Does it rain in Hamamatsu in April?

There are usually 16 days with some rain in Hamamatsu in April and the average monthly rainfall is 187mm.

Hamamatsu April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 05:37 18:10
Wednesday, 15th April 2026 05:18 18:21
Thursday, 30th April 2026 05:00 18:33

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