Congaree National Park weather in May
May in Congaree National Park: hot, a little rain, with clean air — an excellent time to visit.
#6 of 12 months in Congaree National Park · #332 of 604 destinations to visit in May · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Congaree National Park climate normals — May
| Daytime high | 28°C / 82°F | 🥵 hot |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 75 mm / 3 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 66% | 💧 humid |
| Dew point | 15°C / 58°F | |
| Sunshine | 10.8 h/day | |
| Daylight | 13.9 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Congaree National Park?
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Congaree National Park in May — FAQ
- Is May a good time to visit Congaree National Park?
- May in Congaree National Park: hot, a little rain, with clean air — an excellent time to visit. It ranks #6 of 12 months for Congaree National Park on SeasonMap's comfort score (80/100).
- What is the weather like in Congaree National Park in May?
- In May, Congaree National Park averages a daily high of 28°C and a low of 17.7°C, with about 75.1 mm of rain over roughly 8 rainy days.
- What is the air quality in Congaree National Park in May?
- Congaree National Park has a mean US Air Quality Index of about 46 in May.