Osaka Weather in August
In August, Osaka averages a high of 33°C (92°F) and a low of 25°C (77°F), from 55 years of daily records (1971–2026).
33°C
Average high
92°F
25°C
Average low
77°F
39°C
Record high
102°F · August 8, 1994
17°C
Record low
62°F · August 6, 1981
What August Is Like in Osaka
- A typical August brings 7.8 days above 35°C (95°F).
- The coldest August reading, 17°C (62°F) on August 6, 1981, has not been matched in 45 years.
- The August heat record, 39°C (102°F) on August 8, 1994, has stood for 32 years.
- August in Osaka has become 1.3°C (2.4°F) warmer on average: the 2012–2026 average against 1970–1989.
At least 1 mm of rain falls on 28% of August days, and the month averages 119 mm in total.
Warmest: 2010 (35.2°C)Latest: 2026 (33.8°C)10-year averageLong-run average (33.2°C)
Look Up a Day in August
See the weather in Osaka on any August date, year by year.
Source: NOAA GHCN-Daily, Osaka (1973–2026); Kobe (1971–2025). Averages cover 1971–2026. How we compute this