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.

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 Park — May climate, side by side

	🇺🇸 Glacier National Park	🇺🇸 Grand Teton National Park
Comfort score	77/100 (B)	81/100 (A)
Feels-like high	9°C	11°C
Avg high / low	11° / 1°	13° / -2°
Rainfall	117 mm	59 mm
Rainy days	13	10
Humidity	71%	72%
Air quality (AQI)	50	57

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

Month by month

Glacier National Park 🇺🇸 United Statescold, rainy, clean air · best July77
Grand Teton National Park 🇺🇸 United Statescool, a little rain, reliable snow · best June81

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.