Niigata weather in October 2025

Expect 20°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Niigata in October. Check more long-term weather averages for Niigata in October before you book your next holiday to Japan in 2025/2026.

  • 20°C maximum daytime temperature in October in Niigata20
    20°C max day temperature
  • 5 hours of sunshine per day
  • 20 days with some rainfall in October in Niigata20
    20 days with some rainfall
  • 12°C minimum night-time temperature in October in Niigata12
    12°C min night temperature
  • 11 hours of daylight per day in October in Niigata11
    11 hours of daylight per day
  • No heat & humidity in October in Niigata0
    No heat & humidity
  • 155 mm monthly rainfall in October in Niigata155
    155 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Niigata5
    5 (Moderate) UV index
  • 21°C sea temperature in October in Niigata21
    21°C sea temperature

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The October 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 October?

Daytime temperatures usually reach 20°C in Niigata in October, falling to 12°C at night.

How sunny is it in Niigata in October?

There are normally 5 hours of bright sunshine each day in Niigata in October - that's 40% of daylight hours.

How warm is the sea around Niigata in October?

The average sea temperature around Niigata in October is 21°C.

Does it rain in Niigata in October?

There are usually 20 days with some rain in Niigata in October and the average monthly rainfall is 155mm.

What is the chance of a typhoon in Niigata in October?

On average less than 1 day in October in Niigata is likely to be affected by the passage of one or more tropical storms.

Niigata October sunrise & sunset times

Browse the sunrise and sunset times for Niigata in October 2025. Select a month to view Niigata sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:39 17:27
Thursday, 16th October 2025 05:53 17:05
Friday, 31st October 2025 06:08 16:46

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