Myrtle Beach's climate is mild throughout the year, with temperatures gradually warming up from winter. In the coldest months, January and February, daytime highs are usually around 22-27°C, while nighttime lows can dip down to -5°C. As spring approaches in March and April, temperatures rise steadily, reaching averages of 14-17°C during the day. Summer brings warm days with temperatures often above 30°C, but the heat is tempered by moderate humidity. Autumn returns to milder conditions, with September being a particularly pleasant month before cooler nights set in around November.