Saint-Quentin, France experiences a temperate climate with distinct seasonal variations. Winters are typically cool and unpredictable, with temperatures often fluctuating between freezing and mild days. Spring brings steady warming, with March and April averaging around 7°C, but still experiencing occasional chilly mornings. Summers are warm to hot, with June and July being the warmest months, averaging around 18°C, while autumns are generally mild, with October and November temperatures often hovering around 10-12°C. Overall, Saint-Quentin's climate is characterized by moderate temperatures, with few extreme heatwaves or cold snaps.