Niigata weather in July 2025

Expect 28°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Niigata in July. Check more long-term weather averages for Niigata in July before you book your next holiday to Japan in 2025/2026.

  • 28°C maximum daytime temperature in July in Niigata28
    28°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in July in Niigata18
    18 days with some rainfall
  • 21°C minimum night-time temperature in July in Niigata21
    21°C min night temperature
  • 14 hours of daylight per day in July in Niigata14
    14 hours of daylight per day
  • Moderate heat & humidity in July in NiigataM
    Moderate heat & humidity
  • 181 mm monthly rainfall in July in Niigata181
    181 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Niigata10
    10 (Very High) UV index
  • 22°C sea temperature in July in Niigata22
    22°C sea temperature

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The July 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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How hot is it in Niigata in July?

Daytime temperatures usually reach 28°C in Niigata in July with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Niigata in July?

There are normally 5 hours of bright sunshine each day in Niigata in July - that's 37% of daylight hours.

How warm is the sea around Niigata in July?

The average sea temperature around Niigata in July is 22°C.

Does it rain in Niigata in July?

There are usually 18 days with some rain in Niigata in July and the average monthly rainfall is 181mm.

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

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

Niigata July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:25 19:10
Wednesday, 16th July 2025 04:34 19:05
Thursday, 31st July 2025 04:46 18:54

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