Mumbai vs San Francisco: which is better, month by month

San Francisco beats Mumbai in 8 of 12 months — its lead peaks in July (93 vs 35) — while Mumbai wins December to February; they are within 3 points in March.

Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Mumbai

🇮🇳 India · tropical climate

Best month
January 85/100
Months won
3 of 12

San Francisco

🇺🇸 United States · mild climate

Best month
September 96/100
Months won
8 of 12

Mumbai vs San Francisco — all 12 months

MonthMumbaiSan FranciscoWinnerGap
January85Ahot, dry, poor air quality68Ccool, rainy, clean airMumbai17
February82Asweltering, dry, poor air quality75Bcool, rainy, muggy airMumbai7
March75Bsweltering, dry, poor air quality76Bcool, rainy, clean airTie1
April67Csweltering, dry, poor air quality85Anice, a little rain, clean airSan Francisco18
May62Csweltering, a little rain, muggy air88Anice, dry, clean airSan Francisco26
June38Fsweltering, soaked, muggy air92Snice, dry, clean airSan Francisco54
July35Fsweltering, soaked, muggy air93Snice, dry, clean airSan Francisco58
August41Fsweltering, soaked, muggy air95Snice, dry, clean airSan Francisco54
September43Fsweltering, soaked, muggy air96Snice, dry, clean airSan Francisco53
October58Dsweltering, rainy, poor air quality90Snice, dry, clean airSan Francisco32
November71Bsweltering, dry, poor air quality80Anice, a little rain, clean airSan Francisco9
December79Bsweltering, dry, poor air quality67Ccool, rainy, clean airMumbai12

A month is a tie when the two are within 3 points. The widest gap is July (35 vs 93). Tap a month for that month's temperature, rain, humidity and air quality side by side.