Denver weather in May

May in Denver: nice, rainy — an excellent time to visit.

#6 of 12 months in Denver · #284 of 604 destinations to visit in May · comfort 82/100 (tier A)

Updated June 2026 · climate normals from ERA5 reanalysis

Denver climate normals — May

Daytime high20°C / 69°F😎 nice
Nighttime low5°C / 42°F
Feels like (high)18°C / 64°F
Rainfall95 mm / 3.7 in🌧 rainy
Rainy days13 days
Humidity57%🍃 comfortable
Dew point3°C / 37°F
Sunshine11.5 h/day
Daylight14.4 h
Wind16 km/h / 10 mph
Snowfall7.7 cm / 3 in
Air quality (US AQI)51🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

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Denver in May — FAQ

Is May a good time to visit Denver?
May in Denver: nice, rainy — an excellent time to visit. It ranks #6 of 12 months for Denver on SeasonMap's comfort score (82/100).
What is the weather like in Denver in May?
In May, Denver averages a daily high of 20.3°C and a low of 5.3°C, with about 95 mm of rain over roughly 12.8 rainy days.
What is the air quality in Denver in May?
Denver has a mean US Air Quality Index of about 51 in May.
Does it snow in Denver in May?
Denver sees roughly 7.7 cm of snowfall in May.

Other months in Denver

Warmer or cooler than Denver in May

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