Port St. Lucie experiences mild winters, with temperatures ranging from just below freezing in January and February to the mid-20s by March, signaling the start of spring. As spring progresses, temperatures steadily rise, reaching their peak in April and May, with highs often hitting the low 30s. Summer months are warm but not sweltering, with highs in the mid-to-upper 30s from June to August. Autumn brings a welcome cooldown, with temperatures dropping back into the teens by October before gradually warming up again. Winters return, mirroring their mild start, with temperatures remaining relatively steady throughout December and January.