Niigata weather in April 2026

Expect daytime maximum temperatures of 16°C in Niigata, 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 92 mm of rainfall in the month.

  • 16°C maximum daytime temperature in April in Niigata16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in April in Niigata17
    17 days with some rainfall
  • 7°C minimum night-time temperature in April in Niigata7
    7°C min night temperature
  • 13 hours of daylight per day in April in Niigata13
    13 hours of daylight per day
  • No heat & humidity in April in Niigata0
    No heat & humidity
  • 92 mm monthly rainfall in April in Niigata92
    92 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in Niigata7
    7 (High) UV index
  • 10°C sea temperature in April in Niigata10
    10°C sea temperature

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

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

How sunny is it in Niigata in April?

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

How warm is the sea around Niigata in April?

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

Does it rain in Niigata in April?

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

Niigata April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 05:30 18:06
Wednesday, 15th April 2026 05:09 18:19
Thursday, 30th April 2026 04:50 18:33

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