SeasonMapLuxembourg vs Rotterdam: which is better, month by month
Rotterdam beats Luxembourg in 3 of 12 months — its lead peaks in January (49 vs 41) — and they are within 3 points in March to November.
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.
Luxembourg vs Rotterdam — all 12 months
| Month | Luxembourg | Rotterdam | Winner | Gap |
|---|---|---|---|---|
| January | 41Fcold, rainy, clean air | 49Fcold, rainy, clean air | Rotterdam | 8 |
| February | 53Dcold, a little rain, clean air | 59Dcold, a little rain, clean air | Rotterdam | 6 |
| March | 65Ccold, a little rain, clean air | 68Ccold, a little rain, clean air | Tie | 3 |
| April | 76Bcool, a little rain, clean air | 77Bcool, a little rain, clean air | Tie | 1 |
| May | 81Anice, a little rain, clean air | 84Anice, a little rain | Tie | 3 |
| June | 90Snice, a little rain, clean air | 89Anice, a little rain | Tie | 1 |
| July | 92Swarm, a little rain, clean air | 91Snice, a little rain, clean air | Tie | 1 |
| August | 95Snice, a little rain, clean air | 93Snice, a little rain, clean air | Tie | 2 |
| September | 83Anice, a little rain, clean air | 82Anice, rainy, clean air | Tie | 1 |
| October | 68Ccool, a little rain, clean air | 70Bcool, rainy, clean air | Tie | 2 |
| November | 56Dcold, a little rain, clean air | 57Dcold, rainy, clean air | Tie | 1 |
| December | 45Fcold, a little rain, clean air | 52Dcold, a little rain, clean air | Rotterdam | 7 |
A month is a tie when the two are within 3 points. The widest gap is January (41 vs 49). Tap a month for that month's temperature, rain, humidity and air quality side by side.