Alamosa weather in May 2025

Expect 20°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Alamosa in May. Check more long-term weather averages for Alamosa in May before you book your next holiday to Colorado in 2025/2026.

  • 20°C maximum daytime temperature in May in Alamosa20
    20°C max day temperature
  • 11 hours of sunshine per day
  • 5 days with some rainfall in May in Alamosa5
    5 days with some rainfall
  • 1°C minimum night-time temperature in May in Alamosa1
    1°C min night temperature
  • 14 hours of daylight per day in May in Alamosa14
    14 hours of daylight per day
  • No heat & humidity in May in Alamosa0
    No heat & humidity
  • 16 mm monthly rainfall in May in Alamosa16
    16 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Alamosa10
    10 (Very High) UV index

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Alamosa by month

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The May weather guide for Colorado (Alamosa) 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.

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

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How hot is it in Alamosa in May?

Daytime temperatures usually reach 20°C in Alamosa in May, falling to 1°C at night.

How sunny is it in Alamosa in May?

There are normally 11 hours of bright sunshine each day in Alamosa in May - that's 75% of daylight hours.

Does it rain in Alamosa in May?

There are usually 5 days with some rain in Alamosa in May and the average monthly rainfall is 16mm.

Alamosa May sunrise & sunset times

Browse the sunrise and sunset times for Alamosa in May 2025. Select a month to view Alamosa sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:08 18:54
Friday, 16th May 2025 04:53 19:07
Saturday, 31st May 2025 04:44 19:18

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