What is the weather like in Chicago vs Gateway Arch National Park in March?

In March, Chicago averages 10°C high / 1°C low with about 74 mm of rain; Gateway Arch National Park averages 15°C high / 3°C low with about 116 mm.

Chicago vs Gateway Arch National Park in March

Gateway Arch National Park is the better pick in March — 77 vs 64 on SeasonMap's comfort score. Gateway Arch National Park is cool, rainy, clean air, while Chicago is cold, a little rain, clean air.

Chicago vs Gateway Arch National Park — March climate, side by side

	🇺🇸 Chicago	🇺🇸 Gateway Arch National Park
Comfort score	64/100 (C)	77/100 (B)
Feels-like high	6°C	11°C
Avg high / low	10° / 1°	15° / 3°
Rainfall	74 mm	116 mm
Rainy days	9	10
Humidity	71%	65%
Air quality (AQI)	47	42

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

Month by month

Chicago vs Gateway Arch National Park in March — FAQ

Is March better in Chicago or Gateway Arch National Park?: Gateway Arch National Park is the better pick in March — 77 vs 64 on SeasonMap's comfort score. Gateway Arch National Park is cool, rainy, clean air, while Chicago is cold, a little rain, clean air.
What is the weather like in Chicago vs Gateway Arch National Park in March?: In March, Chicago averages 10°C high / 1°C low with about 74 mm of rain; Gateway Arch National Park averages 15°C high / 3°C low with about 116 mm.