Tokyo weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Tokyo in August. Check more long-term weather averages for Tokyo in August before you book your next holiday to Japan in 2025/2026.

  • 31°C maximum daytime temperature in August in Tokyo31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in August in Tokyo16
    16 days with some rainfall
  • 24°C minimum night-time temperature in August in Tokyo24
    24°C min night temperature
  • 13 hours of daylight per day in August in Tokyo13
    13 hours of daylight per day
  • High heat & humidity in August in TokyoH
    High heat & humidity
  • 147 mm monthly rainfall in August in Tokyo147
    147 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Tokyo10
    10 (Very High) UV index
  • 26°C sea temperature in August in Tokyo26
    26°C sea temperature

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

Daytime temperatures usually reach 31°C in Tokyo in August with high heat and humidity, falling to 24°C at night.

How sunny is it in Tokyo in August?

There are normally 6 hours of bright sunshine each day in Tokyo in August - that's 43% of daylight hours.

How warm is the sea around Tokyo in August?

The average sea temperature around Tokyo in August is 26°C.

Does it rain in Tokyo in August?

There are usually 16 days with some rain in Tokyo in August and the average monthly rainfall is 147mm.

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

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

Tokyo August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:49 18:45
Saturday, 16th August 2025 05:00 18:29
Sunday, 31st August 2025 05:12 18:10

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