What is the weather like in Boulder vs Calgary in May?

In May, Boulder averages 22°C high / 6°C low with about 90 mm of rain; Calgary averages 18°C high / 4°C low with about 48 mm.

Boulder vs Calgary in May

Boulder and Calgary are nearly tied in May — 83 vs 80 on SeasonMap's comfort score. Boulder is nice, rainy, clean air; Calgary is cool, a little rain.

Boulder vs Calgary — May climate, side by side

	🇺🇸 Boulder	🇨🇦 Calgary
Comfort score	83/100 (A)	80/100 (A)
Feels-like high	21°C	15°C
Avg high / low	22° / 6°	18° / 4°
Rainfall	90 mm	48 mm
Rainy days	10	8
Humidity	66%	59%
Air quality (AQI)	50	54

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

Month by month

Boulder 🇺🇸 United Statesnice, rainy, clean air · best September83
Calgary 🇨🇦 Canadacool, a little rain · best August80

Boulder vs Calgary in May — FAQ

Is May better in Boulder or Calgary?: Boulder and Calgary are nearly tied in May — 83 vs 80 on SeasonMap's comfort score. Boulder is nice, rainy, clean air; Calgary is cool, a little rain.
What is the weather like in Boulder vs Calgary in May?: In May, Boulder averages 22°C high / 6°C low with about 90 mm of rain; Calgary averages 18°C high / 4°C low with about 48 mm.