What is the weather like in San Francisco vs St. Louis in May?

In May, San Francisco averages 18°C high / 11°C low with about 15 mm of rain; St. Louis averages 26°C high / 13°C low with about 139 mm.

San Francisco vs St. Louis in May

San Francisco and St. Louis are nearly tied in May — 88 vs 87 on SeasonMap's comfort score. San Francisco is nice, dry, clean air; St. Louis is warm, rainy.

San Francisco vs St. Louis — May climate, side by side

	San Francisco	St. Louis
Comfort score	88/100 (A)	87/100 (A)
Feels-like high	17°C	26°C
Avg high / low	18° / 11°	26° / 13°
Rainfall	15 mm	139 mm
Rainy days	2	10
Humidity	73%	70%
Air quality (AQI)	42	53

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

San Francisco vs St. Louis in May — FAQ

Is May better in San Francisco or St. Louis?: San Francisco and St. Louis are nearly tied in May — 88 vs 87 on SeasonMap's comfort score. San Francisco is nice, dry, clean air; St. Louis is warm, rainy.
What is the weather like in San Francisco vs St. Louis in May?: In May, San Francisco averages 18°C high / 11°C low with about 15 mm of rain; St. Louis averages 26°C high / 13°C low with about 139 mm.