SeasonMapArches National Park vs Grand Canyon National Park: which is better, month by month
Arches National Park beats Grand Canyon National Park in 7 of 12 months — its lead peaks in September (84 vs 52) — while Grand Canyon National Park wins November to March.
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.
Arches National Park vs Grand Canyon National Park — all 12 months
| Month | Arches National Park | Grand Canyon National Park | Winner | Gap |
|---|---|---|---|---|
| January | 67Ccold, dry, clean air | 75Bcool, dry, clean air | Grand Canyon National Park | 8 |
| February | 76Bcold, dry, clean air | 87Acool, dry, clean air | Grand Canyon National Park | 11 |
| March | 83Acold, dry, clean air | 94Snice, dry, clean air | Grand Canyon National Park | 11 |
| April | 94Scool, dry, clean air | 85Awarm, dry, clean air | Arches National Park | 9 |
| May | 90Snice, dry | 67Chot, dry | Arches National Park | 23 |
| June | 64Chot, dry | 34Fsweltering, dry | Arches National Park | 30 |
| July | 48Fsweltering, dry | 27Fsweltering, dry | Arches National Park | 21 |
| August | 57Dhot, dry, clean air | 37Fsweltering, a little rain, clean air | Arches National Park | 20 |
| September | 84Awarm, dry, clean air | 52Dhot, dry, clean air | Arches National Park | 32 |
| October | 92Snice, dry, clean air | 82Awarm, dry, clean air | Arches National Park | 10 |
| November | 80Acold, dry, clean air | 92Snice, dry, clean air | Grand Canyon National Park | 12 |
| December | 70Bcold, dry, clean air | 78Bcool, dry, clean air | Grand Canyon National Park | 8 |
A month is a tie when the two are within 3 points. The widest gap is September (84 vs 52). Tap a month for that month's temperature, rain, humidity and air quality side by side.
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