St Davids weather in December 2025

Expect daytime maximum temperatures of 9°C in St Davids, 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 109 mm of rainfall in the month.

  • 9°C maximum daytime temperature in December in St Davids9
    9°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in December in St Davids20
    20 days with some rainfall
  • 5°C minimum night-time temperature in December in St Davids5
    5°C min night temperature
  • 8 hours of daylight per day in December in St Davids8
    8 hours of daylight per day
  • No heat & humidity in December in St Davids0
    No heat & humidity
  • 109 mm monthly rainfall in December in St Davids109
    109 mm of monthly rainfall
  • No UV (maximum) index in December in St Davids0
    No UV (Maximum) Index UV index
  • 11°C sea temperature in December in St Davids11
    11°C sea temperature

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St Davids by month

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The December weather guide for Wales (St Davids) 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 St Davids in December?

Daytime temperatures usually reach 9°C in St Davids in December, falling to 5°C at night.

How sunny is it in St Davids in December?

There are normally 2 hours of bright sunshine each day in St Davids in December - that's 22% of daylight hours.

Is the sea cold around St Davids in December?

The average sea temperature around St Davids in December is 11°C.

Does it rain in St Davids in December?

There are usually 20 days with some rain in St Davids in December and the average monthly rainfall is 109mm.

St Davids December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:06 16:14
Tuesday, 16th December 2025 08:23 16:10
Wednesday, 31st December 2025 08:29 16:20

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