Cardiff weather in April 2026

Expect daytime maximum temperatures of 54°F in Cardiff, Wales in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 2.4 inches of rainfall in the month.

  • 54°F maximum daytime temperature in April in Cardiff54
    54°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in April in Cardiff15
    15 days with some rainfall
  • 39°F minimum night-time temperature in April in Cardiff39
    39°F min night temperature
  • 14 hours of daylight per day in April in Cardiff14
    14 hours of daylight per day
  • No heat & humidity in April in Cardiff0
    No heat & humidity
  • 2.4 inches monthly rainfall in April in Cardiff2.4
    2.4 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Cardiff4
    4 (Moderate) UV index
  • 48°F sea temperature in April in Cardiff48
    48°F sea temperature

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The April 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.

Metric (°C)  |  Imperial (°F)

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More about Wales

How warm is it in Cardiff in April?

Daytime temperatures usually reach 54°F in Cardiff in April, falling to 39°F at night.

How sunny is it in Cardiff in April?

There are normally 5 hours of bright sunshine each day in Cardiff in April - that's 39% of daylight hours.

How warm is the sea around Cardiff in April?

The average sea temperature around Cardiff in April is 48°F.

Does it rain in Cardiff in April?

There are usually 15 days with some rain in Cardiff in April and the average monthly rainfall is 2.4 inches.

Cardiff April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 05:48 18:46
Wednesday, 15th April 2026 05:17 19:09
Thursday, 30th April 2026 04:47 19:34

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