Mammoth Cave National Park weather in January
January in Mammoth Cave National Park: cold, rainy, with clean air — a good time to visit.
#10 of 12 months in Mammoth Cave National Park · #309 of 604 destinations to visit in January · comfort 68/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Mammoth Cave National Park climate normals — January
| Daytime high | 8°C / 47°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 33°F | |
| Feels like (high) | 5°C / 41°F | |
| Rainfall | 113 mm / 4.4 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 71% | 💧 humid |
| Dew point | -2°C / 29°F | |
| Sunshine | 5.6 h/day | |
| Daylight | 9.9 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 5.7 cm / 2.2 in | |
| Air quality (US AQI) | 30 | 🍃 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 January — FAQ
- Is January a good time to visit Mammoth Cave National Park?
- January in Mammoth Cave National Park: cold, rainy, with clean air — a good time to visit. It ranks #10 of 12 months for Mammoth Cave National Park on SeasonMap's comfort score (68/100).
- What is the weather like in Mammoth Cave National Park in January?
- In January, Mammoth Cave National Park averages a daily high of 8.1°C and a low of 0.5°C, with about 112.5 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Mammoth Cave National Park in January?
- Mammoth Cave National Park has a mean US Air Quality Index of about 30 in January.
- Does it snow in Mammoth Cave National Park in January?
- Mammoth Cave National Park sees roughly 5.7 cm of snowfall in January.