What is the weather like in Half Moon Bay vs San Francisco in May?

In May, Half Moon Bay averages 16°C high / 9°C low with about 38 mm of rain; San Francisco averages 18°C high / 11°C low with about 15 mm.

Half Moon Bay vs San Francisco in May

San Francisco is the better pick in May — 88 vs 77 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Half Moon Bay is nice, a little rain, clean air.

Half Moon Bay vs San Francisco — May climate, side by side

	🇺🇸 Half Moon Bay	🇺🇸 San Francisco
Comfort score	77/100 (B)	88/100 (A)
Feels-like high	16°C	17°C
Avg high / low	16° / 9°	18° / 11°
Rainfall	38 mm	15 mm
Rainy days	5	2
Humidity	82%	73%
Air quality (AQI)	48	42

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

Month by month

Half Moon Bay vs San Francisco in May — FAQ

Is May better in Half Moon Bay or San Francisco?: San Francisco is the better pick in May — 88 vs 77 on SeasonMap's comfort score. San Francisco is nice, dry, clean air, while Half Moon Bay is nice, a little rain, clean air.
What is the weather like in Half Moon Bay vs San Francisco in May?: In May, Half Moon Bay averages 16°C high / 9°C low with about 38 mm of rain; San Francisco averages 18°C high / 11°C low with about 15 mm.