SeasonMapBarcelona vs San Sebastián: which is better, month by month
Barcelona beats San Sebastián in 8 of 12 months — its lead peaks in January (79 vs 58) — while San Sebastián wins July to August; they are within 3 points in June and September.
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.
Barcelona vs San Sebastián — all 12 months
| Month | Barcelona | San Sebastián | Winner | Gap |
|---|---|---|---|---|
| January | 79Bcool, a little rain, clean air | 58Dcool, soaked, clean air | Barcelona | 21 |
| February | 82Acool, a little rain, muggy air | 68Ccool, rainy, muggy air | Barcelona | 14 |
| March | 84Acool, a little rain, clean air | 73Bcool, rainy, clean air | Barcelona | 11 |
| April | 89Anice, a little rain, muggy air | 80Anice, rainy, clean air | Barcelona | 9 |
| May | 93Snice, a little rain, muggy air | 86Anice, rainy, clean air | Barcelona | 7 |
| June | 87Ahot, dry | 85Awarm, rainy, clean air | Tie | 2 |
| July | 80Ahot, dry | 88Awarm, rainy, clean air | San Sebastián | 8 |
| August | 77Bhot, a little rain | 84Awarm, rainy, clean air | San Sebastián | 7 |
| September | 84Awarm, a little rain, clean air | 83Awarm, rainy, clean air | Tie | 1 |
| October | 86Awarm, rainy, clean air | 79Bnice, rainy, clean air | Barcelona | 7 |
| November | 83Anice, a little rain, clean air | 62Ccool, soaked, clean air | Barcelona | 21 |
| December | 80Acool, a little rain, clean air | 63Ccool, soaked, clean air | Barcelona | 17 |
A month is a tie when the two are within 3 points. The widest gap is January (79 vs 58). Tap a month for that month's temperature, rain, humidity and air quality side by side.