Winters in Jacksonville are mild, with temperatures rarely dropping below freezing and averaging around 13-17°C. Spring brings a gradual warming trend, with March and April often experiencing highs in the mid-to-high 20s, while May is usually warm, with temperatures frequently reaching the low 30s. Summer is hot but not sweltering, with July and August seeing highs mostly in the mid-to-upper 20s. Autumn is generally pleasant, with September being a bit warmer than the rest of the season, before cooling down to more moderate temperatures in October and November.