Lyon Weather in August
In August, Lyon averages a high of 27°C (81°F) and a low of 16°C (60°F), from 56 years of daily records (1971–2026).
27°C
Average high
81°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 3.1°C (5.6°F) warmer on average: the 2012–2026 average against 1970–1989.
- 8 of the 10 warmest Augusts on record in Lyon have come since 2012.
- August 2026 was the 2nd warmest August in 56 years of records, 4.9°C (8.9°F) above the long-run average.
- The coldest August reading, 5°C (41°F) on August 30, 1986, has not been matched in 40 years.
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: 2026 (32.4°C)10-year averageLong-run average (27.0°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