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

In January, Gateway Arch National Park averages 5°C high / -4°C low with about 65 mm of rain; Mammoth Cave National Park averages 9°C high / -1°C low with about 127 mm.

Gateway Arch National Park vs Mammoth Cave National Park in January

Gateway Arch National Park and Mammoth Cave National Park are nearly tied in January — 65 vs 66 on SeasonMap's comfort score. Gateway Arch National Park is cold, a little rain, clean air; Mammoth Cave National Park is cold, rainy, clean air.

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

	🇺🇸 Gateway Arch National Park	🇺🇸 Mammoth Cave National Park
Comfort score	65/100 (C)	66/100 (C)
Feels-like high	0°C	5°C
Avg high / low	5° / -4°	9° / -1°
Rainfall	65 mm	127 mm
Rainy days	6	10
Humidity	69%	70%
Air quality (AQI)	36	30

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

Month by month

Gateway Arch National Park 🇺🇸 United Statescold, a little rain, clean air · best April65
Mammoth Cave National Park 🇺🇸 United Statescold, rainy, clean air · best April66

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

Is January better in Gateway Arch National Park or Mammoth Cave National Park?: Gateway Arch National Park and Mammoth Cave National Park are nearly tied in January — 65 vs 66 on SeasonMap's comfort score. Gateway Arch National Park is cold, a little rain, clean air; Mammoth Cave National Park is cold, rainy, clean air.
What is the weather like in Gateway Arch National Park vs Mammoth Cave National Park in January?: In January, Gateway Arch National Park averages 5°C high / -4°C low with about 65 mm of rain; Mammoth Cave National Park averages 9°C high / -1°C low with about 127 mm.