Grand Island weather in May 2025

Expect 23°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Grand Island in May. Check more long-term weather averages for Grand Island in May before you book your next holiday to Nebraska in 2025/2026.

  • 23°C maximum daytime temperature in May in Grand Island23
    23°C max day temperature
  • 10 hours of sunshine per day
  • 11 days with some rainfall in May in Grand Island11
    11 days with some rainfall
  • 10°C minimum night-time temperature in May in Grand Island10
    10°C min night temperature
  • 15 hours of daylight per day in May in Grand Island15
    15 hours of daylight per day
  • No heat & humidity in May in Grand Island0
    No heat & humidity
  • 103 mm monthly rainfall in May in Grand Island103
    103 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Grand Island8
    8 (Very High) UV index

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The May weather guide for Nebraska (Grand Island) 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 Grand Island in May?

Daytime temperatures usually reach 23°C in Grand Island in May, falling to 10°C at night.

How sunny is it in Grand Island in May?

There are normally 10 hours of bright sunshine each day in Grand Island in May - that's 66% of daylight hours.

Does it rain in Grand Island in May?

There are usually 11 days with some rain in Grand Island in May and the average monthly rainfall is 103mm.

Grand Island May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:31 19:30
Friday, 16th May 2025 05:14 19:46
Saturday, 31st May 2025 05:04 19:59

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