Wales weather in March 2025

Expect 10°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Wales in March. Check more long-term weather averages for Wales in March before you book your next holiday to Wales in 2025/2026.

  • 10°C maximum daytime temperature in March in Wales (Cardiff)10
    10°C max day temperature
  • 4 hours of sunshine per day
  • 17 days with some rainfall in March in Wales (Cardiff)17
    17 days with some rainfall
  • 3°C minimum night-time temperature in March in Wales (Cardiff)3
    3°C min night temperature
  • 12 hours of daylight per day in March in Wales (Cardiff)12
    12 hours of daylight per day
  • No heat & humidity in March in Wales (Cardiff)0
    No heat & humidity
  • 79 mm monthly rainfall in March in Wales (Cardiff)79
    79 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Wales (Cardiff)3
    3 (Moderate) UV index
  • 8°C sea temperature in March in Wales (Cardiff)8
    8°C sea temperature

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The March weather guide for Wales (Cardiff) 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.

Top Wales destinations

Below are average maximum temperatures at popular countries, regions and places in Wales in March. Select a holiday destination to see more weather parameters.

All Wales regions

All Wales destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Wales

How warm is it in Wales in March?

Daytime temperatures usually reach 10°C in Cardiff, Wales in March, falling to 3°C at night.

How sunny is it in Wales in March?

There are normally 4 hours of bright sunshine each day in Cardiff, Wales in March - that's 31% of daylight hours.

Is the sea cold around Wales in March?

The average sea temperature around Cardiff, Wales in March is 8°C.

Does it rain in Wales in March?

There are usually 17 days with some rain in Cardiff, Wales in March and the average monthly rainfall is 79mm.

Wales March sunrise & sunset times

Browse the sunrise and sunset times for Wales in March 2025. Select a month to view Wales sunrise and sunset times for the next 12 months. The Wales sunrise and sunset times shown below are for Cardiff.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:57 17:53
Sunday, 16th March 2025 06:24 18:19
Monday, 31st March 2025 05:50 18:45

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