Winters in Ermont are chilly, with temperatures often below freezing and averaging around 4-6°C. Mornings can start frosty, while afternoons may see some mild sunshine. Spring brings a slow warming trend, with March and April temperatures gradually increasing to an average of 7°C. By May, the mercury has risen significantly, with averages reaching up to 12°C, marking a clear transition into milder weather. Summer is warm but not scorching hot, with July and August highs averaging around 18-17°C respectively.