What is the weather like in Gateway Arch National Park vs Mammoth Cave National Park in May?

In May, Gateway Arch National Park averages 26°C high / 13°C low with about 143 mm of rain; Mammoth Cave National Park averages 27°C high / 14°C low with about 147 mm.

Gateway Arch National Park vs Mammoth Cave National Park in May

Gateway Arch National Park and Mammoth Cave National Park are nearly tied in May — 79 vs 77 on SeasonMap's comfort score. Gateway Arch National Park is warm, rainy; Mammoth Cave National Park is warm, rainy, clean air.

Gateway Arch National Park vs Mammoth Cave National Park — May climate, side by side

	🇺🇸 Gateway Arch National Park	🇺🇸 Mammoth Cave National Park
Comfort score	79/100 (B)	77/100 (B)
Feels-like high	26°C	28°C
Avg high / low	26° / 13°	27° / 14°
Rainfall	143 mm	147 mm
Rainy days	11	12
Humidity	70%	74%
Air quality (AQI)	53	47

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

Month by month

Gateway Arch National Park vs Mammoth Cave National Park in May — FAQ

Is May better in Gateway Arch National Park or Mammoth Cave National Park?: Gateway Arch National Park and Mammoth Cave National Park are nearly tied in May — 79 vs 77 on SeasonMap's comfort score. Gateway Arch National Park is warm, rainy; Mammoth Cave National Park is warm, rainy, clean air.
What is the weather like in Gateway Arch National Park vs Mammoth Cave National Park in May?: In May, Gateway Arch National Park averages 26°C high / 13°C low with about 143 mm of rain; Mammoth Cave National Park averages 27°C high / 14°C low with about 147 mm.