What is the weather like in Charleston vs San Francisco in May?

In May, Charleston averages 26°C high / 21°C low with about 92 mm of rain; San Francisco averages 18°C high / 11°C low with about 15 mm.

Charleston vs San Francisco in May

San Francisco is the better pick in May — 88 vs 80 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Charleston is hot, rainy, clean air.

Charleston vs San Francisco — May climate, side by side

	Charleston	San Francisco
Comfort score	80/100 (A)	88/100 (A)
Feels-like high	29°C	17°C
Avg high / low	26° / 21°	18° / 11°
Rainfall	92 mm	15 mm
Rainy days	6	2
Humidity	75%	73%
Air quality (AQI)	47	42

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

Charleston vs San Francisco in May — FAQ

Is May better in Charleston or San Francisco?: San Francisco is the better pick in May — 88 vs 80 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Charleston is hot, rainy, clean air.
What is the weather like in Charleston vs San Francisco in May?: In May, Charleston averages 26°C high / 21°C low with about 92 mm of rain; San Francisco averages 18°C high / 11°C low with about 15 mm.