Mammoth Cave National Park weather in March
March in Mammoth Cave National Park: cool, rainy, with clean air — an excellent time to visit.
#5 of 12 months in Mammoth Cave National Park · #219 of 604 destinations to visit in March · comfort 80/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Mammoth Cave National Park climate normals — March
| Daytime high | 15°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 42°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 118 mm / 4.7 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 2°C / 36°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 12 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 1.3 cm / 0.5 in | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Mammoth Cave National Park?
Loading map…
Mammoth Cave National Park in March — FAQ
- Is March a good time to visit Mammoth Cave National Park?
- March in Mammoth Cave National Park: cool, rainy, with clean air — an excellent time to visit. It ranks #5 of 12 months for Mammoth Cave National Park on SeasonMap's comfort score (80/100).
- What is the weather like in Mammoth Cave National Park in March?
- In March, Mammoth Cave National Park averages a daily high of 15.4°C and a low of 5.3°C, with about 118.3 mm of rain over roughly 12.4 rainy days.
- What is the air quality in Mammoth Cave National Park in March?
- Mammoth Cave National Park has a mean US Air Quality Index of about 40 in March.
- Does it snow in Mammoth Cave National Park in March?
- Mammoth Cave National Park sees roughly 1.3 cm of snowfall in March.