Glacier National Park vs Rocky Mountain National Park: which is better, month by month

Rocky Mountain National Park beats Glacier National Park in 7 of 12 months — its lead peaks in November (60 vs 46) — while Glacier National Park wins July; they are within 3 points in the other 4 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.

Glacier National Park

🇺🇸 United States · continental climate

Best month
July 94/100
Months won
1 of 12

Rocky Mountain National Park

🇺🇸 United States · continental climate

Best month
August 94/100
Months won
7 of 12

Glacier National Park vs Rocky Mountain National Park — all 12 months

MonthGlacier National ParkRocky Mountain National ParkWinnerGap
January43Ffreezing, rainy, clean air45Ffreezing, a little rain, clean airTie2
February39Ffreezing, soaked, clean air49Ffreezing, rainy, reliable snowRocky Mountain National Park10
March58Dfreezing, rainy, clean air62Cfreezing, rainy, reliable snowRocky Mountain National Park4
April70Bcold, rainy, clean air69Ccold, rainy, reliable snowTie1
May77Bcold, rainy, clean air77Bcold, rainy, reliable snowTie0
June81Acool, rainy, clean air92Snice, a little rain, clean airRocky Mountain National Park11
July94Snice, a little rain, clean air88Anice, a little rainGlacier National Park6
August92Snice, a little rain, clean air94Snice, a little rain, clean airTie2
September85Acool, a little rain, clean air90Scool, a little rain, clean airRocky Mountain National Park5
October65Ccold, rainy, clean air75Bcold, a little rain, clean airRocky Mountain National Park10
November46Ffreezing, soaked, clean air60Cfreezing, a little rain, clean airRocky Mountain National Park14
December35Ffreezing, soaked, clean air47Ffreezing, a little rain, clean airRocky Mountain National Park12

A month is a tie when the two are within 3 points. The widest gap is November (46 vs 60). Tap a month for that month's temperature, rain, humidity and air quality side by side.