Kusatsu weather in April 2026

Expect daytime maximum temperatures of 12°C in Kusatsu, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 97 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in Kusatsu12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in April in Kusatsu17
    17 days with some rainfall
  • -1°C minimum night-time temperature in April in Kusatsu-1
    -1°C min night temperature
  • 13 hours of daylight per day in April in Kusatsu13
    13 hours of daylight per day
  • No heat & humidity in April in Kusatsu0
    No heat & humidity
  • 97 mm monthly rainfall in April in Kusatsu97
    97 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in Kusatsu7
    7 (High) UV index

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The April weather guide for Japan (Kusatsu) 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 Kusatsu in April?

Daytime temperatures usually reach 19°C in Kusatsu in April, falling to 9°C at night.

How sunny is it in Kusatsu in April?

There are normally 5 hours of bright sunshine each day in Kusatsu in April - that's 41% of daylight hours.

How warm is the sea around Kusatsu in April?

The average sea temperature around Kusatsu in April is 16°C.

Does it rain in Kusatsu in April?

There are usually 16 days with some rain in Kusatsu in April and the average monthly rainfall is 119mm.

Kusatsu April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 05:32 18:07
Wednesday, 15th April 2026 05:12 18:20
Thursday, 30th April 2026 04:54 18:33

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