What is the weather like in Gateway Arch National Park vs St. Louis in December?

In December, Gateway Arch National Park averages 9°C high / -2°C low with about 58 mm of rain; St. Louis averages 9°C high / -2°C low with about 53 mm.

Gateway Arch National Park vs St. Louis in December

Gateway Arch National Park is the better pick in December — 71 vs 59 on SeasonMap's comfort score. Gateway Arch National Park is cold, a little rain, clean air, while St. Louis is cold, a little rain, clean air.

Gateway Arch National Park vs St. Louis — December climate, side by side

	🇺🇸 Gateway Arch National Park	🇺🇸 St. Louis
Comfort score	71/100 (B)	59/100 (D)
Feels-like high	5°C	5°C
Avg high / low	9° / -2°	9° / -2°
Rainfall	58 mm	53 mm
Rainy days	7	7
Humidity	70%	70%
Air quality (AQI)	32	32

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

Month by month

Gateway Arch National Park vs St. Louis in December — FAQ

Is December better in Gateway Arch National Park or St. Louis?: Gateway Arch National Park is the better pick in December — 71 vs 59 on SeasonMap's comfort score. Gateway Arch National Park is cold, a little rain, clean air, while St. Louis is cold, a little rain, clean air.
What is the weather like in Gateway Arch National Park vs St. Louis in December?: In December, Gateway Arch National Park averages 9°C high / -2°C low with about 58 mm of rain; St. Louis averages 9°C high / -2°C low with about 53 mm.