The climate in 29045 Elgin, SC is characterized by hot, humid summers and mild winters. Average highs in the summer months reach the high 80s (Fahrenheit) with nighttime lows rarely dropping below 70 degrees (Fahrenheit). During the winter months, average temperatures range from mid-30s to mid-60s (Fahrenheit). This area sees a fair amount of rainfall throughout the year, with May being the wettest month on average.