Douglas weather in May 2025

Expect 13°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Douglas in May. Check more long-term weather averages for Douglas in May before you book your next holiday to Isle of Man in 2025/2026.

  • 13°C maximum daytime temperature in May in Douglas13
    13°C max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in May in Douglas15
    15 days with some rainfall
  • 6°C minimum night-time temperature in May in Douglas6
    6°C min night temperature
  • 16 hours of daylight per day in May in Douglas16
    16 hours of daylight per day
  • No heat & humidity in May in Douglas0
    No heat & humidity
  • 85 mm monthly rainfall in May in Douglas85
    85 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Douglas5
    5 (Moderate) UV index
  • 10°C sea temperature in May in Douglas10
    10°C sea temperature

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The May weather guide for Isle of Man, represented by Douglas, (Douglas) 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 Douglas in May?

Daytime temperatures usually reach 13°C in Douglas in May, falling to 6°C at night.

How sunny is it in Douglas in May?

There are normally 7 hours of bright sunshine each day in Douglas in May - that's 42% of daylight hours.

Is the sea cold around Douglas in May?

The average sea temperature around Douglas in May is 10°C.

Does it rain in Douglas in May?

There are usually 15 days with some rain in Douglas in May and the average monthly rainfall is 85mm.

Douglas May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:41 19:51
Friday, 16th May 2025 04:12 20:17
Saturday, 31st May 2025 03:53 20:40

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