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

Grand Teton National Park beats Yellowstone National Park in 4 of 12 months — its lead peaks in June (93 vs 86) — while Yellowstone National Park wins August; they are within 3 points in the other 7 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
4 of 12

Yellowstone National Park

🇺🇸 United States · continental climate

Best month
August 92/100
Months won
1 of 12

Grand Teton National Park vs Yellowstone National Park — all 12 months

MonthGrand Teton National ParkYellowstone National ParkWinnerGap
January45Ffreezing, a little rain, clean air45Ffreezing, a little rain, clean airTie0
February49Ffreezing, rainy, clean air47Ffreezing, a little rain, clean airTie2
March64Ccold, a little rain, reliable snow62Cfreezing, a little rain, muggy airTie2
April72Bcold, a little rain, reliable snow71Bcold, a little rain, reliable snowTie1
May81Acool, a little rain, reliable snow78Bcold, a little rain, reliable snowTie3
June93Snice, a little rain, clean air86Acool, a little rainGrand Teton National Park7
July90Swarm, dry, clean air90Snice, dryTie0
August87Anice, a little rain, clean air92Snice, a little rain, clean airYellowstone National Park5
September89Anice, a little rain, clean air84Acool, a little rain, clean airGrand Teton National Park5
October75Bcold, a little rain, clean air70Bcold, a little rain, clean airGrand Teton National Park5
November59Dfreezing, a little rain, clean air55Dfreezing, a little rain, clean airGrand Teton National Park4
December42Ffreezing, rainy, clean air42Ffreezing, a little rain, clean airTie0

A month is a tie when the two are within 3 points. The widest gap is June (93 vs 86). Tap a month for that month's temperature, rain, humidity and air quality side by side.