SeasonMapBaltimore vs San Francisco: which is better, month by month
San Francisco beats Baltimore in 8 of 12 months — its lead peaks in July (93 vs 64) — and they are within 3 points in the other 4 months.
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.
Baltimore vs San Francisco — all 12 months
| Month | Baltimore | San Francisco | Winner | Gap |
|---|---|---|---|---|
| January | 57Dcold, a little rain, clean air | 68Ccool, rainy, clean air | San Francisco | 11 |
| February | 65Ccold, rainy, clean air | 75Bcool, rainy, muggy air | San Francisco | 10 |
| March | 73Bcool, rainy, clean air | 76Bcool, rainy, clean air | Tie | 3 |
| April | 84Anice, rainy, clean air | 85Anice, a little rain, clean air | Tie | 1 |
| May | 90Swarm, rainy | 88Anice, dry, clean air | Tie | 2 |
| June | 79Bhot, rainy | 92Snice, dry, clean air | San Francisco | 13 |
| July | 64Csweltering, rainy, muggy air | 93Snice, dry, clean air | San Francisco | 29 |
| August | 70Bsweltering, rainy, muggy air | 95Snice, dry, clean air | San Francisco | 25 |
| September | 79Bhot, rainy, clean air | 96Snice, dry, clean air | San Francisco | 17 |
| October | 87Anice, a little rain, clean air | 90Snice, dry, clean air | Tie | 3 |
| November | 71Bcool, a little rain, clean air | 80Anice, a little rain, clean air | San Francisco | 9 |
| December | 58Dcold, rainy, clean air | 67Ccool, rainy, clean air | San Francisco | 9 |
A month is a tie when the two are within 3 points. The widest gap is July (64 vs 93). Tap a month for that month's temperature, rain, humidity and air quality side by side.