Half Moon Bay vs San Francisco: which is better, month by month

San Francisco beats Half Moon Bay in all 12 months — its lead peaks in December (67 vs 50).

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Half Moon Bay

🇺🇸 United States · mild climate

Best month
September 87/100
Months won
0 of 12

San Francisco

🇺🇸 United States · mild climate

Best month
September 96/100
Months won
12 of 12

Half Moon Bay vs San Francisco — all 12 months

MonthHalf Moon BaySan FranciscoWinnerGap
January57Dcool, rainy, muggy air68Ccool, rainy, clean airSan Francisco11
February66Ccool, rainy75Bcool, rainy, muggy airSan Francisco9
March65Ccool, rainy, muggy air76Bcool, rainy, clean airSan Francisco11
April78Bcool, dry, muggy air85Anice, a little rain, clean airSan Francisco7
May77Bnice, a little rain, clean air88Anice, dry, clean airSan Francisco11
June82Anice, dry, clean air92Snice, dry, clean airSan Francisco10
July84Anice, dry, clean air93Snice, dry, clean airSan Francisco9
August85Anice, dry, clean air95Snice, dry, clean airSan Francisco10
September87Anice, dry, clean air96Snice, dry, clean airSan Francisco9
October79Bnice, a little rain, clean air90Snice, dry, clean airSan Francisco11
November70Bnice, a little rain, clean air80Anice, a little rain, clean airSan Francisco10
December50Dcool, soaked, muggy air67Ccool, rainy, clean airSan Francisco17

A month is a tie when the two are within 3 points. The widest gap is December (50 vs 67). Tap a month for that month's temperature, rain, humidity and air quality side by side.