Hartsville (SC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Hartsville.
Climate overview of Hartsville
Temperatures in Hartsville, 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 13°C (55°F).
With around 1186 mm (47 in) of annual rain/snowfall, Hartsville has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has very warm summers and mild winters. The wettest month is August.
Hartsville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hartsville - and find the best time to visit.
Monthly Temperature in Hartsville
The climate in Hartsville is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a very warm 33°C (91°F) in July. In January, the coolest month of the year, temperatures drop to a moderate 13°C (55°F).
At night, temperatures range from around 21°C (70°F) in July to 0°C (32°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Hartsville
Hartsville has a notably wet climate with abundant precipitation, recording 1186 mm (47 in) of rain/snowfall per year. Hartsville experiences moderate seasonal variation in rainfall, with monthly averages ranging from 143 mm (5.6 in) in August, the wettest month, and 72 mm (2.8 in) in January, the driest month. For more details, please visit our Hartsville 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 Hartsville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, September and October
- Warmest weather: June, July and August
- Seasonal pattern: Very warm summers and mild winters
- Coldest conditions: January, with freezing nights around 0°C (32°F).
Frequently asked questions about the climate in Hartsville
What is the best time to visit Hartsville?
April, September and October typically offer the most optimal weather in Hartsville. In contrast, July tends to have less optimal conditions. Hartsville has very warm summers and mild winters.
What temperatures can I expect in Hartsville?
Daytime highs range from 13°C (55°F) in January to 33°C (91°F) in July. Nighttime lows range from 0°C (32°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Hartsville get?
Annual rainfall is around 1186 mm (47 in). August is the wettest month with 143 mm (5.6 in), while January is the driest with 72 mm (2.8 in).
Hartsville 3-Day Forecast
Hartsville on the map
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