SeasonMapAveiro vs Sintra: which is better, month by month
Sintra beats Aveiro in 9 of 12 months — its lead peaks in January (74 vs 64) — and they are within 3 points in May, 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.
Aveiro vs Sintra — all 12 months
| Month | Aveiro | Sintra | Winner | Gap |
|---|---|---|---|---|
| January | 64Ccool, rainy, clean air | 74Bcool, a little rain, clean air | Sintra | 10 |
| February | 73Bcool, rainy, clean air | 78Bcool, a little rain, clean air | Sintra | 5 |
| March | 75Bcool, rainy, muggy air | 80Acool, a little rain, clean air | Sintra | 5 |
| April | 81Anice, rainy, clean air | 85Anice, a little rain, clean air | Sintra | 4 |
| May | 91Snice, a little rain, muggy air | 90Snice, a little rain, clean air | Tie | 1 |
| June | 94Swarm, a little rain, muggy air | 93Snice, dry, clean air | Tie | 1 |
| July | 88Awarm, dry, clean air | 94Swarm, dry, clean air | Sintra | 6 |
| August | 87Awarm, dry, clean air | 95Swarm, dry, clean air | Sintra | 8 |
| September | 89Awarm, a little rain | 91Swarm, dry, clean air | Tie | 2 |
| October | 78Bnice, rainy, clean air | 85Anice, a little rain, clean air | Sintra | 7 |
| November | 68Ccool, soaked, clean air | 77Bnice, rainy, clean air | Sintra | 9 |
| December | 65Ccool, rainy, clean air | 74Bcool, a little rain, clean air | Sintra | 9 |
A month is a tie when the two are within 3 points. The widest gap is January (64 vs 74). Tap a month for that month's temperature, rain, humidity and air quality side by side.