Clemson (SC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Clemson.
Climate overview of Clemson
Temperatures in Clemson, South Carolina, United States of America, vary greatly throughout the year. July is the hottest month at 33°C (91°F), while January is the coldest at 12°C (54°F).
The city receives considerable rain/snowfall, with around 1268 mm (50 in) annually. December is the wettest month. It has very warm summers and cold winters.
Clemson Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Clemson - and find the best time to visit.
Monthly Temperature in Clemson
The climate in Clemson is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 33°C (91°F) in July to a chilly 12°C (54°F) in the coolest month, January.
Nights vary from 21°C (70°F) in July to around 1°C (34°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Clemson
Clemson has a notably wet climate with abundant precipitation, recording 1268 mm (50 in) of rain/snowfall per year. Clemson offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (153 mm (6 in)) and the driest month September (82 mm (3.2 in)) is not too significant. For more details, please visit our Clemson 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 Clemson
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
Frequently asked questions about the climate in Clemson
What is the best time to visit Clemson?
April, May, September and October typically offer the most optimal weather in Clemson. In contrast, January, July and August tend to have less optimal conditions. Clemson has very warm summers and cold winters.
What temperatures can I expect in Clemson?
Daytime highs range from 12°C (54°F) in January to 33°C (91°F) in July. Nighttime lows range from 1°C (34°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Clemson get?
Annual rainfall is around 1268 mm (50 in). December is the wettest month with 153 mm (6 in), while September is the driest with 82 mm (3.2 in).
Clemson 3-Day Forecast
Clemson (SC) 3-Day Forecast
Clemson on the map
Clemson is highlighted - select any city to see its climate.
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