Ishigaki weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Ishigaki in August. Check more long-term weather averages for Ishigaki in August before you book your next holiday to Japan in 2025/2026.

  • 31°C maximum daytime temperature in August in Ishigaki31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 22 days with some rainfall in August in Ishigaki22
    22 days with some rainfall
  • 26°C minimum night-time temperature in August in Ishigaki26
    26°C min night temperature
  • 13 hours of daylight per day in August in Ishigaki13
    13 hours of daylight per day
  • Very high heat & humidity in August in IshigakiVH
    Very High heat & humidity
  • 235 mm monthly rainfall in August in Ishigaki235
    235 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Ishigaki11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Ishigaki29
    29°C sea temperature

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The August weather guide for Japan (Ishigaki) 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 Ishigaki in August?

Daytime temperatures usually reach 31°C in Ishigaki in August with very high heat and humidity, falling to 26°C at night.

How sunny is it in Ishigaki in August?

There are normally 7 hours of bright sunshine each day in Ishigaki in August - that's 56% of daylight hours.

How warm is the sea around Ishigaki in August?

The average sea temperature around Ishigaki in August is 29°C.

Does it rain in Ishigaki in August?

There are usually 22 days with some rain in Ishigaki in August and the average monthly rainfall is 235mm.

What is the chance of a typhoon in Ishigaki in August?

On average 3.7 days in August in Ishigaki are likely to be affected by the passage of one or more tropical storms.

Ishigaki August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:12 19:27
Saturday, 16th August 2025 06:18 19:16
Sunday, 31st August 2025 06:24 19:03

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