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

In October, Boulder averages 20°C high / 4°C low with about 26 mm of rain; Yellowstone National Park averages 8°C high / -6°C low with about 62 mm.

Boulder vs Yellowstone National Park in October

Boulder is the better pick in October — 86 vs 70 on SeasonMap's comfort score. Boulder is nice, dry, clean air, while Yellowstone National Park is cold, a little rain, clean air.

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

	🇺🇸 Boulder	🇺🇸 Yellowstone National Park
Comfort score	86/100 (A)	70/100 (B)
Feels-like high	18°C	3°C
Avg high / low	20° / 4°	8° / -6°
Rainfall	26 mm	62 mm
Rainy days	4	11
Humidity	55%	74%
Air quality (AQI)	28	40

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

Month by month

Boulder vs Yellowstone National Park in October — FAQ

Is October better in Boulder or Yellowstone National Park?: Boulder is the better pick in October — 86 vs 70 on SeasonMap's comfort score. Boulder is nice, dry, clean air, while Yellowstone National Park is cold, a little rain, clean air.
What is the weather like in Boulder vs Yellowstone National Park in October?: In October, Boulder averages 20°C high / 4°C low with about 26 mm of rain; Yellowstone National Park averages 8°C high / -6°C low with about 62 mm.