Turin's winters are cold and unpredictable, with temperatures often dropping below freezing in January and February, but also experiencing mild days. Spring is a slow warming process, with March and April temperatures gradually increasing towards the mid-20s Celsius. Summer is warm to hot, with July and August highs reaching as high as 33 degrees Celsius, while nighttime lows remain relatively cool. Autumn brings a return to cooler conditions, with September and October temperatures fluctuating between mild and chilly days. Winters are generally cold again, but with some warmer periods in December.