Twin Falls weather in May 2025

Expect 21°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Twin Falls in May. Check more long-term weather averages for Twin Falls in May before you book your next holiday to Idaho in 2025/2026.

  • 21°C maximum daytime temperature in May in Twin Falls21
    21°C max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in May in Twin Falls8
    8 days with some rainfall
  • 5°C minimum night-time temperature in May in Twin Falls5
    5°C min night temperature
  • 15 hours of daylight per day in May in Twin Falls15
    15 hours of daylight per day
  • No heat & humidity in May in Twin Falls0
    No heat & humidity
  • 27 mm monthly rainfall in May in Twin Falls27
    27 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Twin Falls8
    8 (Very High) UV index

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The May weather guide for Idaho (Twin Falls) 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 Twin Falls in May?

Daytime temperatures usually reach 21°C in Twin Falls in May, falling to 5°C at night.

How sunny is it in Twin Falls in May?

There are normally 10 hours of bright sunshine each day in Twin Falls in May - that's 71% of daylight hours.

Does it rain in Twin Falls in May?

There are usually 8 days with some rain in Twin Falls in May and the average monthly rainfall is 27mm.

Twin Falls May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:32 19:39
Friday, 16th May 2025 05:14 19:55
Saturday, 31st May 2025 05:03 20:08

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