Quimper's winters are mild, with temperatures often above freezing, ranging from around -3C in January to 12C. As spring arrives, temperatures gradually rise, with April being the warmest month so far, reaching up to 27C on average. Summer is mild and pleasant, with July and August averaging highs of around 18C and lows of 4C and 1C respectively. Autumn brings a return to cooler temperatures, with October experiencing highs of up to 22C and November and December returning to winter's chill, with averages around 9C.