The climate in Walterboro during December can be summarized as cool and a little damp.
December is in the winter in Walterboro and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 2°C (36°F) is normal.
| Daytime temperature | 16.5°C 61.6°F |
|---|---|
| Nightly temperature | 2.2°C 35.9°F |
| Average temperature | 9.3°C 48.7°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 82 mm 3.2 ins |
| Rainy days | 9 days |
| Sea temperature | 20.9°C 69.7°F |
| Humidity | 72% |
| Windspeed | 13.3kph 8 mph |
On average December is the 4th driest month of the year in Walterboro with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Walterboro in December 2025.
Best places to visit in December
| Hottest month: | July | 32.7°C 90.9°F |
|---|---|---|
| Driest month: | November | 60mm 2.4ins |
| Sunniest month: | April | 9.6hrs |
| Coldest month: | January | 14.3°C 57.7°F |
| Wettest month: | August | 172mm 6.8ins |