La Grande weather in May 2025

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

  • 16°C maximum daytime temperature in May in La Grande16
    16°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in May in La Grande8
    8 days with some rainfall
  • 2°C minimum night-time temperature in May in La Grande2
    2°C min night temperature
  • 15 hours of daylight per day in May in La Grande15
    15 hours of daylight per day
  • No heat & humidity in May in La Grande0
    No heat & humidity
  • 51 mm monthly rainfall in May in La Grande51
    51 mm of monthly rainfall
  • UV (maximum) index 7 (High) in May in La Grande7
    7 (High) UV index

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The May weather guide for Oregon (La Grande) 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 La Grande in May?

Daytime temperatures usually reach 16°C in La Grande in May, falling to 2°C at night.

How sunny is it in La Grande in May?

There are normally 9 hours of bright sunshine each day in La Grande in May - that's 63% of daylight hours.

Does it rain in La Grande in May?

There are usually 8 days with some rain in La Grande in May and the average monthly rainfall is 51mm.

La Grande May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:40 18:59
Friday, 16th May 2025 04:21 19:17
Saturday, 31st May 2025 04:08 19:33

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