Glasgow weather in May 2025

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

  • 20°C maximum daytime temperature in May in Glasgow20
    20°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in May in Glasgow10
    10 days with some rainfall
  • 6°C minimum night-time temperature in May in Glasgow6
    6°C min night temperature
  • 15 hours of daylight per day in May in Glasgow15
    15 hours of daylight per day
  • No heat & humidity in May in Glasgow0
    No heat & humidity
  • 46 mm monthly rainfall in May in Glasgow46
    46 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Glasgow6
    6 (High) UV index

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The May weather guide for Montana (Glasgow) 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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More about the USA

How hot is it in Glasgow in May?

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

How sunny is it in Glasgow in May?

There are normally 9 hours of bright sunshine each day in Glasgow in May - that's 60% of daylight hours.

Does it rain in Glasgow in May?

There are usually 10 days with some rain in Glasgow in May and the average monthly rainfall is 46mm.

Glasgow May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:47 19:21
Friday, 16th May 2025 04:25 19:41
Saturday, 31st May 2025 04:11 19:58

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