Chicago vs St. Louis in May

St. Louis is the better pick in May — 87 vs 83 on SeasonMap's comfort score. St. Louis is warm, rainy, while Chicago is nice, rainy, muggy air.

Chicago vs St. Louis — May climate, side by side

🇺🇸 Chicago🇺🇸 St. Louis
Comfort score83/100 (A)87/100 (A)
Feels-like high19°C26°C
Avg high / low20° / 10°26° / 13°
Rainfall109 mm139 mm
Rainy days1110
Humidity75%70%
Air quality (AQI)5553

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

Month by month

Chicago vs St. Louis in May — FAQ

Is May better in Chicago or St. Louis?
St. Louis is the better pick in May — 87 vs 83 on SeasonMap's comfort score. St. Louis is warm, rainy, while Chicago is nice, rainy, muggy air.
What is the weather like in Chicago vs St. Louis in May?
In May, Chicago averages 20°C high / 10°C low with about 109 mm of rain; St. Louis averages 26°C high / 13°C low with about 139 mm.