What is the weather like in Glacier National Park vs Yellowstone National Park in May?

In May, Glacier National Park averages 11°C high / 1°C low with about 117 mm of rain; Yellowstone National Park averages 12°C high / -4°C low with about 58 mm.

Glacier National Park vs Yellowstone National Park in May

Glacier National Park and Yellowstone National Park are nearly tied in May — 77 vs 78 on SeasonMap's comfort score. Glacier National Park is cold, rainy, clean air; Yellowstone National Park is cold, a little rain, reliable snow.

Glacier National Park vs Yellowstone National Park — May climate, side by side

	🇺🇸 Glacier National Park	🇺🇸 Yellowstone National Park
Comfort score	77/100 (B)	78/100 (B)
Feels-like high	9°C	9°C
Avg high / low	11° / 1°	12° / -4°
Rainfall	117 mm	58 mm
Rainy days	13	12
Humidity	71%	73%
Air quality (AQI)	50	58

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

Month by month

Glacier National Park 🇺🇸 United Statescold, rainy, clean air · best July77
Yellowstone National Park 🇺🇸 United Statescold, a little rain, reliable snow · best August78

Glacier National Park vs Yellowstone National Park in May — FAQ

Is May better in Glacier National Park or Yellowstone National Park?: Glacier National Park and Yellowstone National Park are nearly tied in May — 77 vs 78 on SeasonMap's comfort score. Glacier National Park is cold, rainy, clean air; Yellowstone National Park is cold, a little rain, reliable snow.
What is the weather like in Glacier National Park vs Yellowstone National Park in May?: In May, Glacier National Park averages 11°C high / 1°C low with about 117 mm of rain; Yellowstone National Park averages 12°C high / -4°C low with about 58 mm.