Lyon Weather in August
In August, Lyon averages a high of 27°C (80°F) and a low of 16°C (60°F), from 55 years of daily records (1971–2026).
27°C
Average high
80°F
16°C
Average low
60°F
40°C
Record high
104°F · August 13, 2003
5°C
Record low
41°F · August 30, 1986
What August Is Like in Lyon
- August in Lyon has become 2.8°C (5.1°F) warmer on average: the 2011–2025 average against 1970–1989.
- 7 of the 10 warmest Augusts on record in Lyon have come since 2011.
- The coldest August reading, 5°C (41°F) on August 30, 1986, has not been matched in 40 years.
- A typical August brings 1.3 days above 35°C (95°F).
At least 1 mm of rain falls on 24% of August days, and the month averages 72 mm in total.
Warmest: 2003 (33.0°C)Latest: 2025 (29.8°C)10-year averageLong-run average (26.9°C)
Look Up a Day in August
See the weather in Lyon on any August date, year by year.
Source: NOAA GHCN-Daily, Lyon - St Exupery (1971–2026). Averages cover 1971–2026. How we compute this