Shirahama weather in August 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Shirahama in August. Check more long-term weather averages for Shirahama in August before you book your next holiday to Japan in 2025/2026.

  • 30°C maximum daytime temperature in August in Shirahama30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in August in Shirahama17
    17 days with some rainfall
  • 23°C minimum night-time temperature in August in Shirahama23
    23°C min night temperature
  • 13 hours of daylight per day in August in Shirahama13
    13 hours of daylight per day
  • High heat & humidity in August in ShirahamaH
    High heat & humidity
  • 230 mm monthly rainfall in August in Shirahama230
    230 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Shirahama10
    10 (Very High) UV index
  • 27°C sea temperature in August in Shirahama27
    27°C sea temperature

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

Daytime temperatures usually reach 30°C in Shirahama in August with high heat and humidity, falling to 23°C at night.

How sunny is it in Shirahama in August?

There are normally 7 hours of bright sunshine each day in Shirahama in August - that's 50% of daylight hours.

How warm is the sea around Shirahama in August?

The average sea temperature around Shirahama in August is 27°C.

Does it rain in Shirahama in August?

There are usually 17 days with some rain in Shirahama in August and the average monthly rainfall is 230mm.

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

On average 1.8 days in August in Shirahama are likely to be affected by the passage of one or more tropical storms.

Shirahama August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:11 18:59
Saturday, 16th August 2025 05:21 18:44
Sunday, 31st August 2025 05:32 18:26

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