Winters in Belleville are typically cool, with temperatures often below freezing, but can occasionally rise into the mid-teens. Spring brings a gradual warming trend, with temperatures rising steadily from around 7°C in March to 23°C by June. Summer months are warm, with average highs ranging from 24-25°C throughout July and August, although temperatures can occasionally soar above 35°C. Autumn sees a return to cooler temperatures, similar to those experienced during winter, but without the occasional cold snaps. Overall, temperature fluctuations are moderate, with some variation in extremes between seasons.