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

Great Smoky Mountains National Park is the better pick in May — 86 vs 77 on SeasonMap's comfort score. Great Smoky Mountains National Park is nice, soaked, clean air, while Mammoth Cave National Park is warm, rainy, clean air.

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

Great Smoky Mountains National ParkMammoth Cave National Park
Comfort score86/100 (A)77/100 (B)
Feels-like high20°C28°C
Avg high / low20° / 11°27° / 14°
Rainfall201 mm147 mm
Rainy days1312
Humidity77%74%
Air quality (AQI)4247

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

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

Is May better in Great Smoky Mountains National Park or Mammoth Cave National Park?
Great Smoky Mountains National Park is the better pick in May — 86 vs 77 on SeasonMap's comfort score. Great Smoky Mountains National Park is nice, soaked, clean air, while Mammoth Cave National Park is warm, rainy, clean air.
What is the weather like in Great Smoky Mountains National Park vs Mammoth Cave National Park in May?
In May, Great Smoky Mountains National Park averages 20°C high / 11°C low with about 201 mm of rain; Mammoth Cave National Park averages 27°C high / 14°C low with about 147 mm.