Holyhead weather in May 2025

Expect 14°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Holyhead in May. Check more long-term weather averages for Holyhead in May before you book your next holiday to Wales in 2025/2026.

  • 14°C maximum daytime temperature in May in Holyhead14
    14°C max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Holyhead16
    16 days with some rainfall
  • 8°C minimum night-time temperature in May in Holyhead8
    8°C min night temperature
  • 16 hours of daylight per day in May in Holyhead16
    16 hours of daylight per day
  • No heat & humidity in May in Holyhead0
    No heat & humidity
  • 51 mm monthly rainfall in May in Holyhead51
    51 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Holyhead5
    5 (Moderate) UV index
  • 10°C sea temperature in May in Holyhead10
    10°C sea temperature

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The May weather guide for Wales (Holyhead) 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 Wales

How warm is it in Holyhead in May?

Daytime temperatures usually reach 14°C in Holyhead in May, falling to 8°C at night.

How sunny is it in Holyhead in May?

There are normally 7 hours of bright sunshine each day in Holyhead in May - that's 45% of daylight hours.

Is the sea cold around Holyhead in May?

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

Does it rain in Holyhead in May?

There are usually 16 days with some rain in Holyhead in May and the average monthly rainfall is 51mm.

Holyhead May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:44 19:48
Friday, 16th May 2025 04:17 20:14
Saturday, 31st May 2025 03:58 20:35

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