Simpsonville (SC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Simpsonville.
Climate overview of Simpsonville
The climate in Simpsonville, South Carolina, United States of America, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in July to 11°C (52°F) in January.
The city receives considerable rain/snowfall, with around 1204 mm (47 in) annually. December is the wettest month. It has very warm summers and cold winters.
Simpsonville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Simpsonville - and find the best time to visit.
Monthly Temperature in Simpsonville
In Simpsonville, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in July to a chilly 11°C (52°F) in the coolest month, January.
Nights vary from 21°C (70°F) in July to around -1°C (30°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Simpsonville
Simpsonville experiences significant rain/snowfall throughout the year, averaging 1204 mm (47 in) of precipitation annually. Simpsonville offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (146 mm (5.7 in)) and the driest month September (77 mm (3 in)) is not too significant. For more details, please visit our Simpsonville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Simpsonville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, September and October
- Warmest weather: June, July and August
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -1°C (30°F).
Frequently asked questions about the climate in Simpsonville
What is the best time to visit Simpsonville?
April, May, September and October typically offer the most optimal weather in Simpsonville. In contrast, January tends to have less optimal conditions. Simpsonville has very warm summers and cold winters.
What temperatures can I expect in Simpsonville?
Daytime highs range from 11°C (52°F) in January to 32°C (90°F) in July. Nighttime lows range from -1°C (30°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Simpsonville get?
Annual rainfall is around 1204 mm (47 in). December is the wettest month with 146 mm (5.7 in), while September is the driest with 77 mm (3 in).
Simpsonville 3-Day Forecast
Simpsonville (SC) 3-Day Forecast
Simpsonville on the map
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