Winters in Vila Franca de Xira are mild, with temperatures ranging from just above freezing to around 19°C in January and December. Spring arrives in March, with temperatures gradually warming up to a moderate 28°C, setting the stage for a warm summer. The warmer months of June, July, and August see temperatures soar, with highs reaching up to 38°C, while autumn brings a welcome cooldown, with September being the hottest month outside of summer, but still warm in comparison to winter. As winter returns, temperatures dip again, returning to the mild range that characterizes the region's climate.