Walterboro (SC) Weather & Climate: Best Time to Visit

The climate in Walterboro 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 15°C (59°F).

At night, temperatures range from around 22°C (72°F) in July to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Walterboro has a notably wet climate with abundant precipitation, recording 1256 mm (49 in) of rain/snowfall per year. Walterboro can be quite wet during August, receiving approximately 167 mm (6.6 in) of precipitation over 14 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 76 mm (3 in) of precipitation spread across 9 rainy days. For more details, please visit our Walterboro Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Walterboro can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Walterboro.

The city experiences its highest humidity in August, reaching 79%. In February, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year