In August, Lyon typically sees daytime highs of 25.5°C and overnight lows around 13.8°C. Compared to the annual average high of 16.1°C, August runs +9.4°C.
August in Lyon averages a daytime high of 25.5°C and an overnight low of 13.8°C.
August runs +9.4°C compared to Lyon's annual average high of 16.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 25.5°C and cooler evenings around 13.8°C.