Melun experiences a moderate climate with distinct seasonal variations. Winters are cool, with temperatures ranging from around -7°C in February to just above freezing, averaging around 4-7°C during the coldest months of January and December. Spring arrives in March, bringing warmer temperatures that gradually increase throughout April and May, often reaching highs of up to 27°C by late spring. Summers are warm but not hot, with average highs around 19°C from June to August, while autumns are mild, returning to cooler temperatures from October onwards as winter's chill begins to set in once more.