Winters in Gagny, France are cool and relatively mild, with average temperatures ranging from around freezing to just above 13°C. Spring arrives slowly, with temperatures gradually warming up by mid-March, before rapidly increasing into April and May, which bring pleasant days and occasional hot spells. Summer months are warm but not scorching, with highs rarely exceeding 30°C, while early autumn is similar in temperature profile to late spring, with a slow decline towards winter's chill.