Holyhead weather in May 2026

Expect daytime maximum temperatures of 57°F in Holyhead, Wales in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 2.0 inches of rainfall in the month.

  • 57°F maximum daytime temperature in May in Holyhead57
    57°F max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in May in Holyhead16
    16 days with some rainfall
  • 46°F minimum night-time temperature in May in Holyhead46
    46°F 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
  • 2.0 inches monthly rainfall in May in Holyhead2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Holyhead5
    5 (Moderate) UV index
  • 50°F sea temperature in May in Holyhead50
    50°F 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)  |  Imperial (°F)

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More about Wales

How warm is it in Holyhead in May?

Daytime temperatures usually reach 57°F in Holyhead in May, falling to 46°F 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.

How warm is the sea around Holyhead in May?

The average sea temperature around Holyhead in May is 50°F.

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 2.0 inches.

Holyhead May sunrise & sunset times

Browse the sunrise and sunset times for Holyhead in May 2026. Select a month to view Holyhead sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:45 19:48
Saturday, 16th May 2026 04:17 20:13
Sunday, 31st May 2026 03:58 20:35

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