Winters in Clermont-Ferrand are chilly and unpredictable, with temperatures often dipping below freezing but occasionally rising into the mid-teens. As spring arrives, temperatures gradually warm up, reaching a comfortable average by April. Summer is warm to hot, with daytime highs frequently reaching the mid-twenties to thirties, while nighttime lows can still be cool. Autumn brings a return to more moderate temperatures, with some warmer days but also chilly nights. In general, temperatures are relatively stable throughout the year, averaging around 5-9°C from December to April and 13-19°C from May to August.