Butte weather in May 2025

Expect 16°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Butte in May. Check more long-term weather averages for Butte in May before you book your next holiday to Montana in 2025/2026.

  • 16°C maximum daytime temperature in May in Butte16
    16°C max day temperature
  • 9 hours of sunshine per day
  • 12 days with some rainfall in May in Butte12
    12 days with some rainfall
  • 1°C minimum night-time temperature in May in Butte1
    1°C min night temperature
  • 15 hours of daylight per day in May in Butte15
    15 hours of daylight per day
  • No heat & humidity in May in Butte0
    No heat & humidity
  • 52 mm monthly rainfall in May in Butte52
    52 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Butte7
    7 (High) UV index

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The May weather guide for Montana (Butte) 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 warm is it in Butte in May?

Daytime temperatures usually reach 16°C in Butte in May, falling to 1°C at night.

How sunny is it in Butte in May?

There are normally 9 hours of bright sunshine each day in Butte in May - that's 59% of daylight hours.

Does it rain in Butte in May?

There are usually 12 days with some rain in Butte in May and the average monthly rainfall is 52mm.

Butte May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:16 19:39
Friday, 16th May 2025 04:56 19:57
Saturday, 31st May 2025 04:43 20:13

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