Kusatsu weather in May 2026

Expect daytime maximum temperatures of 63°F in Kusatsu, Japan in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 4.7 inches of rainfall in the month.

  • 63°F maximum daytime temperature in May in Kusatsu63
    63°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in May in Kusatsu17
    17 days with some rainfall
  • 41°F minimum night-time temperature in May in Kusatsu41
    41°F min night temperature
  • 14 hours of daylight per day in May in Kusatsu14
    14 hours of daylight per day
  • No heat & humidity in May in Kusatsu0
    No heat & humidity
  • 4.7 inches monthly rainfall in May in Kusatsu4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Kusatsu9
    9 (Very High) UV index

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The May 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)  |  Imperial (°F)

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More about Japan

How hot is it in Kusatsu in May?

Daytime temperatures usually reach 73°F in Kusatsu in May, falling to 57°F at night.

How sunny is it in Kusatsu in May?

There are normally 6 hours of bright sunshine each day in Kusatsu in May - that's 42% of daylight hours.

How warm is the sea around Kusatsu in May?

The average sea temperature around Kusatsu in May is 64°F.

Does it rain in Kusatsu in May?

There are usually 16 days with some rain in Kusatsu in May and the average monthly rainfall is 5.2 inches.

Kusatsu May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:53 18:34
Saturday, 16th May 2026 04:38 18:46
Sunday, 31st May 2026 04:29 18:58

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