Colorado weather in May 2025

Expect 22°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Colorado in May. Check more long-term weather averages for Colorado in May before you book your next holiday to Colorado in 2025/2026.

  • 22°C maximum daytime temperature in May in Colorado (Denver)22
    22°C max day temperature
  • 10 hours of sunshine per day
  • 10 days with some rainfall in May in Colorado (Denver)10
    10 days with some rainfall
  • 6°C minimum night-time temperature in May in Colorado (Denver)6
    6°C min night temperature
  • 14 hours of daylight per day in May in Colorado (Denver)14
    14 hours of daylight per day
  • No heat & humidity in May in Colorado (Denver)0
    No heat & humidity
  • 71 mm monthly rainfall in May in Colorado (Denver)71
    71 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Colorado (Denver)9
    9 (Very High) UV index

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The May weather guide for Colorado (Denver) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Colorado destinations

Below are average maximum temperatures at popular countries, regions and places in Colorado in May. Select a holiday destination to see more weather parameters.

All Colorado destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Colorado in May?

Daytime temperatures usually reach 22°C in Denver, Colorado in May, falling to 6°C at night.

How sunny is it in Colorado in May?

There are normally 10 hours of bright sunshine each day in Denver, Colorado in May - that's 66% of daylight hours.

Does it rain in Colorado in May?

There are usually 10 days with some rain in Denver, Colorado in May and the average monthly rainfall is 71mm.

Colorado May sunrise & sunset times

Browse the sunrise and sunset times for Colorado in May 2025. Select a month to view Colorado sunrise and sunset times for the next 12 months. The Colorado sunrise and sunset times shown below are for Denver.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:00 18:55
Friday, 16th May 2025 04:44 19:09
Saturday, 31st May 2025 04:34 19:22

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