Great Smoky Mountains National Park vs Mammoth Cave National Park in December

Mammoth Cave National Park is the better pick in December — 70 vs 66 on SeasonMap's comfort score. Mammoth Cave National Park is cold, rainy, clean air, while Great Smoky Mountains National Park is cold, soaked, clean air.

Great Smoky Mountains National Park vs Mammoth Cave National ParkDecember climate, side by side

Great Smoky Mountains National ParkMammoth Cave National Park
Comfort score66/100 (C)70/100 (B)
Feels-like high6°C9°C
Avg high / low9° / 0°12° / 1°
Rainfall176 mm124 mm
Rainy days109
Humidity77%73%
Air quality (AQI)3130

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Great Smoky Mountains National Park vs Mammoth Cave National Park in December — FAQ

Is December better in Great Smoky Mountains National Park or Mammoth Cave National Park?
Mammoth Cave National Park is the better pick in December — 70 vs 66 on SeasonMap's comfort score. Mammoth Cave National Park is cold, rainy, clean air, while Great Smoky Mountains National Park is cold, soaked, clean air.
What is the weather like in Great Smoky Mountains National Park vs Mammoth Cave National Park in December?
In December, Great Smoky Mountains National Park averages 9°C high / 0°C low with about 176 mm of rain; Mammoth Cave National Park averages 12°C high / 1°C low with about 124 mm.