SeasonMapBilbao vs San Sebastián: which is better, month by month
Bilbao beats San Sebastián in 2 of 12 months — its lead peaks in June (91 vs 85) — and they are within 3 points in July to April.
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.
Bilbao vs San Sebastián — all 12 months
| Month | Bilbao | San Sebastián | Winner | Gap |
|---|---|---|---|---|
| January | 59Dcool, soaked, clean air | 58Dcool, soaked, clean air | Tie | 1 |
| February | 68Ccool, rainy, clean air | 68Ccool, rainy, muggy air | Tie | 0 |
| March | 74Bcool, rainy, clean air | 73Bcool, rainy, clean air | Tie | 1 |
| April | 82Anice, rainy, clean air | 80Anice, rainy, clean air | Tie | 2 |
| May | 90Snice, a little rain, clean air | 86Anice, rainy, clean air | Bilbao | 4 |
| June | 91Swarm, a little rain, clean air | 85Awarm, rainy, clean air | Bilbao | 6 |
| July | 88Awarm, a little rain, clean air | 88Awarm, rainy, clean air | Tie | 0 |
| August | 84Ahot, a little rain, clean air | 84Awarm, rainy, clean air | Tie | 0 |
| September | 86Awarm, rainy, clean air | 83Awarm, rainy, clean air | Tie | 3 |
| October | 81Anice, rainy, clean air | 79Bnice, rainy, clean air | Tie | 2 |
| November | 63Cnice, soaked, clean air | 62Ccool, soaked, clean air | Tie | 1 |
| December | 64Ccool, rainy, clean air | 63Ccool, soaked, clean air | Tie | 1 |
A month is a tie when the two are within 3 points. The widest gap is June (91 vs 85). Tap a month for that month's temperature, rain, humidity and air quality side by side.