Reims experiences a temperate climate with significant seasonal variations. Winters are chilly, with temperatures often below freezing, especially in January and December, but can occasionally reach mild highs around 14-19°C. Spring arrives in March, bringing warmer days and cooler nights, with temperature ranges gradually widening as the season progresses. Summer is warm to hot, with July and August enjoying the highest average temperatures, though still relatively moderate compared to other European cities. Autumn is cool and wet, with daytime temperatures rapidly declining from September onwards, returning to winter-like conditions by November.