In August, La Roche-sur-Yon typically sees daytime highs of 23.8°C and overnight lows around 13.3°C. Compared to the annual average high of 15.9°C, August runs +7.9°C.
August in La Roche-sur-Yon averages a daytime high of 23.8°C and an overnight low of 13.3°C.
August runs +7.9°C compared to La Roche-sur-Yon's annual average high of 15.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 23.8°C and cooler evenings around 13.3°C.