SeasonMapMonaco vs Rotterdam: which is better, month by month
Monaco beats Rotterdam in 9 of 12 months — its lead peaks in January (73 vs 49) — while Rotterdam wins July to August; they are within 3 points in June.
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.
Monaco vs Rotterdam — all 12 months
| Month | Monaco | Rotterdam | Winner | Gap |
|---|---|---|---|---|
| January | 73Bcool, a little rain, clean air | 49Fcold, rainy, clean air | Monaco | 24 |
| February | 76Bcool, a little rain, muggy air | 59Dcold, a little rain, clean air | Monaco | 17 |
| March | 79Bcool, rainy | 68Ccold, a little rain, clean air | Monaco | 11 |
| April | 86Anice, a little rain | 77Bcool, a little rain, clean air | Monaco | 9 |
| May | 90Snice, a little rain, muggy air | 84Anice, a little rain | Monaco | 6 |
| June | 87Ahot, a little rain, muggy air | 89Anice, a little rain | Tie | 2 |
| July | 82Ahot, dry, muggy air | 91Snice, a little rain, clean air | Rotterdam | 9 |
| August | 80Ahot, a little rain | 93Snice, a little rain, clean air | Rotterdam | 13 |
| September | 89Awarm, a little rain, muggy air | 82Anice, rainy, clean air | Monaco | 7 |
| October | 83Anice, rainy, clean air | 70Bcool, rainy, clean air | Monaco | 13 |
| November | 74Bcool, rainy, clean air | 57Dcold, rainy, clean air | Monaco | 17 |
| December | 70Bcool, rainy, clean air | 52Dcold, a little rain, clean air | Monaco | 18 |
A month is a tie when the two are within 3 points. The widest gap is January (73 vs 49). Tap a month for that month's temperature, rain, humidity and air quality side by side.