Alta vs Aspen: which is better, month by month

Alta beats Aspen in 7 of 12 months — its lead peaks in May (64 vs 34) — while Aspen wins January to February; they are within 3 points in July to September.

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.

Alta

🇺🇸 United States · continental climate

Best month: March 94/100
Months won: 7 of 12

Aspen

🇺🇸 United States · continental climate

Best month: January 93/100
Months won: 2 of 12

Alta vs Aspen — all 12 months

Month	Alta	Aspen	Winner	Gap
January	89Afreezing, rainy, clean air	93Sfreezing, a little rain, clean air	Aspen	4
February	86Afreezing, rainy, reliable snow	90Sfreezing, a little rain, reliable snow	Aspen	4
March	94Sfreezing, rainy, reliable snow	82Acold, a little rain, reliable snow	Alta	12
April	79Bcold, rainy, reliable snow	61Ccold, a little rain, reliable snow	Alta	18
May	64Ccold, rainy, reliable snow	34Fcool, a little rain, reliable snow	Alta	30
June	26Fnice, a little rain	18Fnice, dry	Alta	8
July	14Fnice, rainy	12Fwarm, a little rain	Tie	2
August	12Fnice, rainy, clean air	14Fwarm, a little rain, clean air	Tie	2
September	22Fnice, rainy, clean air	20Fnice, a little rain, clean air	Tie	2
October	69Ccold, a little rain, clean air	43Fcool, a little rain, clean air	Alta	26
November	82Acold, a little rain, clean air	74Bcold, a little rain, clean air	Alta	8
December	91Sfreezing, rainy, clean air	87Afreezing, a little rain, clean air	Alta	4

A month is a tie when the two are within 3 points. The widest gap is May (64 vs 34). Tap a month for that month's temperature, rain, humidity and air quality side by side.