SeasonMapSun Valley vs Vail: which is better, month by month
Vail beats Sun Valley in 3 of 12 months — its lead peaks in January (93 vs 86) — while Sun Valley wins February; they are within 3 points in the other 8 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.
Sun Valley vs Vail — all 12 months
| Month | Sun Valley | Vail | Winner | Gap |
|---|---|---|---|---|
| January | 86Afreezing, a little rain, clean air | 93Sfreezing, a little rain, clean air | Vail | 7 |
| February | 91Sfreezing, a little rain, clean air | 87Afreezing, a little rain, reliable snow | Sun Valley | 4 |
| March | 83Acold, a little rain, muggy air | 82Acold, rainy, reliable snow | Tie | 1 |
| April | 58Dcold, a little rain, reliable snow | 62Ccold, rainy, reliable snow | Vail | 4 |
| May | 34Fcool, a little rain, reliable snow | 35Fcool, a little rain, reliable snow | Tie | 1 |
| June | 20Fnice, dry, clean air | 17Fnice, a little rain | Tie | 3 |
| July | 12Fwarm, dry, clean air | 12Fwarm, a little rain | Tie | 0 |
| August | 14Fwarm, dry, clean air | 14Fnice, a little rain, clean air | Tie | 0 |
| September | 18Fnice, dry, clean air | 20Fnice, a little rain, clean air | Tie | 2 |
| October | 45Fcold, a little rain, clean air | 46Fcool, a little rain, clean air | Tie | 1 |
| November | 72Bcold, a little rain, clean air | 76Bcold, a little rain, clean air | Vail | 4 |
| December | 88Afreezing, a little rain, clean air | 89Afreezing, a little rain, clean air | Tie | 1 |
A month is a tie when the two are within 3 points. The widest gap is January (86 vs 93). Tap a month for that month's temperature, rain, humidity and air quality side by side.