Billings weather in May 2025

Expect 20°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Billings in May. Check more long-term weather averages for Billings in May before you book your next holiday to Montana in 2025/2026.

  • 20°C maximum daytime temperature in May in Billings20
    20°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in May in Billings11
    11 days with some rainfall
  • 6°C minimum night-time temperature in May in Billings6
    6°C min night temperature
  • 15 hours of daylight per day in May in Billings15
    15 hours of daylight per day
  • No heat & humidity in May in Billings0
    No heat & humidity
  • 64 mm monthly rainfall in May in Billings64
    64 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in Billings7
    7 (High) UV index

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The May weather guide for Montana (Billings) 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 Billings in May?

Daytime temperatures usually reach 20°C in Billings in May, falling to 6°C at night.

How sunny is it in Billings in May?

There are normally 9 hours of bright sunshine each day in Billings in May - that's 61% of daylight hours.

Does it rain in Billings in May?

There are usually 11 days with some rain in Billings in May and the average monthly rainfall is 64mm.

Billings May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:01 19:22
Friday, 16th May 2025 04:41 19:41
Saturday, 31st May 2025 04:28 19:56

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