Congaree National Park weather in December
December in Congaree National Park: cool, rainy, with clean air — a great time to visit.
#7 of 12 months in Congaree National Park · #215 of 604 destinations to visit in December · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Congaree National Park climate normals — December
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 7°C / 44°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 106 mm / 4.2 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 5°C / 40°F | |
| Sunshine | 6.3 h/day | |
| Daylight | 10 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Congaree National Park?
Loading map…
Congaree National Park in December — FAQ
- Is December a good time to visit Congaree National Park?
- December in Congaree National Park: cool, rainy, with clean air — a great time to visit. It ranks #7 of 12 months for Congaree National Park on SeasonMap's comfort score (76/100).
- What is the weather like in Congaree National Park in December?
- In December, Congaree National Park averages a daily high of 15.5°C and a low of 6.9°C, with about 106.4 mm of rain over roughly 11 rainy days.
- What is the air quality in Congaree National Park in December?
- Congaree National Park has a mean US Air Quality Index of about 32 in December.