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

In May, Boulder averages 22°C high / 6°C low with about 90 mm of rain; Yellowstone National Park averages 12°C high / -4°C low with about 58 mm.

Boulder vs Yellowstone National Park in May

Boulder is the better pick in May — 83 vs 78 on SeasonMap's comfort score. Boulder is nice, rainy, clean air, while Yellowstone National Park is cold, a little rain, reliable snow.

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

	🇺🇸 Boulder	🇺🇸 Yellowstone National Park
Comfort score	83/100 (A)	78/100 (B)
Feels-like high	21°C	9°C
Avg high / low	22° / 6°	12° / -4°
Rainfall	90 mm	58 mm
Rainy days	10	12
Humidity	66%	73%
Air quality (AQI)	50	58

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

Month by month

Boulder vs Yellowstone National Park in May — FAQ

Is May better in Boulder or Yellowstone National Park?: Boulder is the better pick in May — 83 vs 78 on SeasonMap's comfort score. Boulder is nice, rainy, clean air, while Yellowstone National Park is cold, a little rain, reliable snow.
What is the weather like in Boulder vs Yellowstone National Park in May?: In May, Boulder averages 22°C high / 6°C low with about 90 mm of rain; Yellowstone National Park averages 12°C high / -4°C low with about 58 mm.