SeasonMapChamonix vs Val d'Isère: which is better, month by month
Val d'Isère beats Chamonix in 10 of 12 months — its lead peaks in May (62 vs 42) — and they are within 3 points in July to August.
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.
Chamonix vs Val d'Isère — all 12 months
| Month | Chamonix | Val d'Isère | Winner | Gap |
|---|---|---|---|---|
| January | 88Afreezing, soaked, clean air | 93Sfreezing, rainy, clean air | Val d'Isère | 5 |
| February | 81Acold, rainy, clean air | 86Afreezing, rainy, clean air | Val d'Isère | 5 |
| March | 77Bcold, soaked, clean air | 84Acold, rainy, clean air | Val d'Isère | 7 |
| April | 60Ccool, rainy, clean air | 76Bcold, rainy, clean air | Val d'Isère | 16 |
| May | 42Fcool, soaked, clean air | 62Ccold, soaked, clean air | Val d'Isère | 20 |
| June | 12Fnice, soaked, clean air | 18Fnice, soaked, clean air | Val d'Isère | 6 |
| July | 14Fwarm, soaked, clean air | 12Fnice, rainy, clean air | Tie | 2 |
| August | 16Fwarm, rainy, clean air | 15Fnice, rainy, clean air | Tie | 1 |
| September | 21Fnice, rainy, clean air | 27Fcool, rainy, clean air | Val d'Isère | 6 |
| October | 33Fcool, rainy, clean air | 50Dcold, rainy, clean air | Val d'Isère | 17 |
| November | 72Bcold, soaked, clean air | 78Bcold, soaked, clean air | Val d'Isère | 6 |
| December | 83Acold, soaked, clean air | 89Afreezing, rainy, clean air | Val d'Isère | 6 |
A month is a tie when the two are within 3 points. The widest gap is May (42 vs 62). Tap a month for that month's temperature, rain, humidity and air quality side by side.