Glacier National Park vs Grand Teton National Park in May

Grand Teton National Park is the better pick in May — 81 vs 77 on SeasonMap's comfort score. Grand Teton National Park is cool, a little rain, reliable snow, while Glacier National Park is cold, rainy, clean air.

Glacier National Park vs Grand Teton National ParkMay climate, side by side

Glacier National ParkGrand Teton National Park
Comfort score77/100 (B)81/100 (A)
Feels-like high9°C11°C
Avg high / low11° / 1°13° / -2°
Rainfall117 mm59 mm
Rainy days1310
Humidity71%72%
Air quality (AQI)5057

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Glacier National Park vs Grand Teton National Park in May — FAQ

Is May better in Glacier National Park or Grand Teton National Park?
Grand Teton National Park is the better pick in May — 81 vs 77 on SeasonMap's comfort score. Grand Teton National Park is cool, a little rain, reliable snow, while Glacier National Park is cold, rainy, clean air.
What is the weather like in Glacier National Park vs Grand Teton National Park in May?
In May, Glacier National Park averages 11°C high / 1°C low with about 117 mm of rain; Grand Teton National Park averages 13°C high / -2°C low with about 59 mm.