Calgary vs Great Sand Dunes National Park: which is better, month by month

Great Sand Dunes National Park beats Calgary in 10 of 12 months — its lead peaks in February (74 vs 41) — while Calgary wins July to August.

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.

Calgary

🇨🇦 Canada · arid climate

Best month
August 94/100
Months won
2 of 12

Great Sand Dunes National Park

🇺🇸 United States · arid climate

Best month
September 93/100
Months won
10 of 12

Calgary vs Great Sand Dunes National Park — all 12 months

MonthCalgaryGreat Sand Dunes National ParkWinnerGap
January43Ffreezing, dry, clean air64Cfreezing, dry, clean airGreat Sand Dunes National Park21
February41Ffreezing, dry, clean air74Bcold, dry, clean airGreat Sand Dunes National Park33
March55Dcold, dry, clean air80Acold, dry, reliable snowGreat Sand Dunes National Park25
April72Bcold, dry, clean air86Acool, dry, reliable snowGreat Sand Dunes National Park14
May80Acool, a little rain92Snice, a little rainGreat Sand Dunes National Park12
June84Anice, rainy, clean air88Awarm, dryGreat Sand Dunes National Park4
July91Swarm, a little rain83Ahot, a little rain, clean airCalgary8
August94Swarm, a little rain87Awarm, dry, clean airCalgary7
September86Anice, dry, clean air93Snice, dry, clean airGreat Sand Dunes National Park7
October68Ccold, dry, clean air90Scool, dry, clean airGreat Sand Dunes National Park22
November51Dcold, dry, clean air78Bcold, dry, clean airGreat Sand Dunes National Park27
December38Ffreezing, dry, clean air71Bcold, dry, clean airGreat Sand Dunes National Park33

A month is a tie when the two are within 3 points. The widest gap is February (41 vs 74). Tap a month for that month's temperature, rain, humidity and air quality side by side.