Moncalieri's winters are cold and variable, with temperatures often dropping below freezing, but occasional warmer days bring the average up. Spring arrives in late March, bringing mild temperatures that gradually warm up throughout April and May, with highs frequently reaching the mid-20s. Summer is warm to hot, with temperatures rarely dipping below 5C at night and frequently soaring above 30C during the day. Autumn brings a return of cooler temperatures, with nights often chilly by September, but occasional warmer days still occur in October and November. Winters are generally cold again from December through February, with temperatures sometimes plummeting to -15C or lower.