Holyhead weather in December 2025

Expect daytime maximum temperatures of 9°C in Holyhead, Wales in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 97 mm of rainfall in the month.

  • 9°C maximum daytime temperature in December in Holyhead9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in December in Holyhead20
    20 days with some rainfall
  • 4°C minimum night-time temperature in December in Holyhead4
    4°C min night temperature
  • 8 hours of daylight per day in December in Holyhead8
    8 hours of daylight per day
  • No heat & humidity in December in Holyhead0
    No heat & humidity
  • 97 mm monthly rainfall in December in Holyhead97
    97 mm of monthly rainfall
  • No UV (maximum) index in December in Holyhead0
    No UV (Maximum) Index UV index
  • 10°C sea temperature in December in Holyhead10
    10°C sea temperature

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The December 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 December?

Daytime temperatures usually reach 9°C in Holyhead in December, falling to 4°C at night.

How sunny is it in Holyhead in December?

There are normally 2 hours of bright sunshine each day in Holyhead in December - that's 21% of daylight hours.

Is the sea cold around Holyhead in December?

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

Does it rain in Holyhead in December?

There are usually 20 days with some rain in Holyhead in December and the average monthly rainfall is 97mm.

Holyhead December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:11 16:04
Tuesday, 16th December 2025 08:28 16:00
Wednesday, 31st December 2025 08:34 16:10

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