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

In October, Half Moon Bay averages 21°C high / 11°C low with about 39 mm of rain; San Francisco averages 21°C high / 13°C low with about 29 mm.

Half Moon Bay vs San Francisco in October

San Francisco is the better pick in October — 90 vs 79 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 — October climate, side by side

	🇺🇸 Half Moon Bay	🇺🇸 San Francisco
Comfort score	79/100 (B)	90/100 (S)
Feels-like high	21°C	21°C
Avg high / low	21° / 11°	21° / 13°
Rainfall	39 mm	29 mm
Rainy days	2	2
Humidity	79%	71%
Air quality (AQI)	47	40

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

Month by month

Half Moon Bay vs San Francisco in October — FAQ

Is October better in Half Moon Bay or San Francisco?: San Francisco is the better pick in October — 90 vs 79 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 October?: In October, Half Moon Bay averages 21°C high / 11°C low with about 39 mm of rain; San Francisco averages 21°C high / 13°C low with about 29 mm.