SeasonMapMumbai 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 vs San Francisco — all 12 months
| Month | Mumbai | San Francisco | Winner | Gap |
|---|---|---|---|---|
| January | 85Ahot, dry, poor air quality | 68Ccool, rainy, clean air | Mumbai | 17 |
| February | 82Asweltering, dry, poor air quality | 75Bcool, rainy, muggy air | Mumbai | 7 |
| March | 75Bsweltering, dry, poor air quality | 76Bcool, rainy, clean air | Tie | 1 |
| April | 67Csweltering, dry, poor air quality | 85Anice, a little rain, clean air | San Francisco | 18 |
| May | 62Csweltering, a little rain, muggy air | 88Anice, dry, clean air | San Francisco | 26 |
| June | 38Fsweltering, soaked, muggy air | 92Snice, dry, clean air | San Francisco | 54 |
| July | 35Fsweltering, soaked, muggy air | 93Snice, dry, clean air | San Francisco | 58 |
| August | 41Fsweltering, soaked, muggy air | 95Snice, dry, clean air | San Francisco | 54 |
| September | 43Fsweltering, soaked, muggy air | 96Snice, dry, clean air | San Francisco | 53 |
| October | 58Dsweltering, rainy, poor air quality | 90Snice, dry, clean air | San Francisco | 32 |
| November | 71Bsweltering, dry, poor air quality | 80Anice, a little rain, clean air | San Francisco | 9 |
| December | 79Bsweltering, dry, poor air quality | 67Ccool, rainy, clean air | Mumbai | 12 |
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.