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

Rocky Mountain National Park beats Grand Teton National Park in 2 of 12 months — its lead peaks in August (94 vs 87) — while Grand Teton National Park wins May; they are within 3 points in the other 9 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.

Grand Teton National Park

🇺🇸 United States · continental climate

Best month
June 93/100
Months won
1 of 12

Rocky Mountain National Park

🇺🇸 United States · continental climate

Best month
August 94/100
Months won
2 of 12

Grand Teton National Park vs Rocky Mountain National Park — all 12 months

MonthGrand Teton National ParkRocky Mountain National ParkWinnerGap
January45Ffreezing, a little rain, clean air45Ffreezing, a little rain, clean airTie0
February49Ffreezing, rainy, clean air49Ffreezing, rainy, reliable snowTie0
March64Ccold, a little rain, reliable snow62Cfreezing, rainy, reliable snowTie2
April72Bcold, a little rain, reliable snow69Ccold, rainy, reliable snowTie3
May81Acool, a little rain, reliable snow77Bcold, rainy, reliable snowGrand Teton National Park4
June93Snice, a little rain, clean air92Snice, a little rain, clean airTie1
July90Swarm, dry, clean air88Anice, a little rainTie2
August87Anice, a little rain, clean air94Snice, a little rain, clean airRocky Mountain National Park7
September89Anice, a little rain, clean air90Scool, a little rain, clean airTie1
October75Bcold, a little rain, clean air75Bcold, a little rain, clean airTie0
November59Dfreezing, a little rain, clean air60Cfreezing, a little rain, clean airTie1
December42Ffreezing, rainy, clean air47Ffreezing, a little rain, clean airRocky Mountain National Park5

A month is a tie when the two are within 3 points. The widest gap is August (87 vs 94). Tap a month for that month's temperature, rain, humidity and air quality side by side.