Arches National Park vs Las Vegas: which is better, month by month
Arches National Park beats Las Vegas in 5 of 12 months — its lead peaks in September (84 vs 61) — while Las Vegas wins January, February, March and November; they are within 3 points in April, October and December.
Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Arches National Park vs Las Vegas — all 12 months
A month is a tie when the two are within 3 points. The widest gap is September (84 vs 61). Tap a month for that month's temperature, rain, humidity and air quality side by side.