Simpsonville, in South Carolina, United States, is home to roughly 20,700 people in the Eastern Time Zone at 34.7°N latitude.
Simpsonville has a humid subtropical climate. Average annual temperature is 63°F, with January lows around 35°F and July highs near 91°F. The city averages 47 inches of precipitation per year. The wettest month is typically July; the driest is October.
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