Roswell experiences a moderate climate with distinct seasonal variations. Winters are chilly, with temperatures often below freezing, especially in February and December. Spring brings significant warming, with March and April temperatures rising above 20°C on average. Summers are warm to hot, but not excessively so, with June and July highs peaking around 40-43°C. Autumn is mild, with September and October temperatures similar to those of spring, before dropping again in November and December.