SeasonMapIstanbul vs Izmir: which is better, month by month
Izmir beats Istanbul in 6 of 12 months — its lead peaks in March (82 vs 72) — while Istanbul wins June to July; 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.
Istanbul vs Izmir — all 12 months
| Month | Istanbul | Izmir | Winner | Gap |
|---|---|---|---|---|
| January | 59Dcold, rainy, muggy air | 62Ccool, rainy, muggy air | Tie | 3 |
| February | 66Ccold, a little rain, muggy air | 73Bcool, a little rain, muggy air | Izmir | 7 |
| March | 72Bcool, a little rain, muggy air | 82Anice, a little rain | Izmir | 10 |
| April | 84Anice, a little rain, muggy air | 92Snice, a little rain | Izmir | 8 |
| May | 94Snice, a little rain, muggy air | 91Swarm, a little rain | Tie | 3 |
| June | 87Ahot, dry | 81Ahot, a little rain | Istanbul | 6 |
| July | 78Bhot, a little rain | 74Bsweltering, dry | Istanbul | 4 |
| August | 77Bhot, dry, clean air | 76Bsweltering, dry | Tie | 1 |
| September | 86Awarm, a little rain | 85Ahot, dry | Tie | 1 |
| October | 88Anice, a little rain, clean air | 93Swarm, a little rain | Izmir | 5 |
| November | 74Bcool, rainy, clean air | 78Bnice, rainy, muggy air | Izmir | 4 |
| December | 63Ccold, rainy, muggy air | 67Ccool, rainy, muggy air | Izmir | 4 |
A month is a tie when the two are within 3 points. The widest gap is March (72 vs 82). Tap a month for that month's temperature, rain, humidity and air quality side by side.