SeasonMapMilan vs Siena: which is better, month by month
Siena beats Milan in 5 of 12 months — its lead peaks in June (91 vs 80) — while Milan wins April; they are within 3 points in the other 6 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.
Milan vs Siena — all 12 months
| Month | Milan | Siena | Winner | Gap |
|---|---|---|---|---|
| January | 60Ccold, a little rain, muggy air | 63Ccold, a little rain, clean air | Tie | 3 |
| February | 66Ccold, a little rain, muggy air | 67Ccold, a little rain, clean air | Tie | 1 |
| March | 75Bcool, a little rain | 74Bcool, a little rain, clean air | Tie | 1 |
| April | 85Anice, rainy | 81Anice, a little rain, clean air | Milan | 4 |
| May | 86Anice, rainy | 87Anice, rainy, clean air | Tie | 1 |
| June | 80Ahot, rainy | 91Swarm, a little rain, clean air | Siena | 11 |
| July | 73Bsweltering, rainy | 84Ahot, dry, clean air | Siena | 11 |
| August | 74Bhot, rainy | 82Ahot, a little rain, clean air | Siena | 8 |
| September | 87Awarm, rainy | 90Swarm, rainy, clean air | Tie | 3 |
| October | 76Bnice, rainy, muggy air | 80Anice, rainy, clean air | Siena | 4 |
| November | 62Ccool, rainy, muggy air | 65Ccool, rainy, clean air | Tie | 3 |
| December | 57Dcold, a little rain, muggy air | 61Ccold, rainy, clean air | Siena | 4 |
A month is a tie when the two are within 3 points. The widest gap is June (80 vs 91). Tap a month for that month's temperature, rain, humidity and air quality side by side.