Swansea weather in April 2025

Expect daytime maximum temperatures of 12°C in Swansea in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 69 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in Swansea12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in April in Swansea14
    14 days with some rainfall
  • 5°C minimum night-time temperature in April in Swansea5
    5°C min night temperature
  • 14 hours of daylight per day in April in Swansea14
    14 hours of daylight per day
  • No heat & humidity in April in Swansea0
    No heat & humidity
  • 69 mm monthly rainfall in April in Swansea69
    69 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Swansea4
    4 (Moderate) UV index
  • 9°C sea temperature in April in Swansea9
    9°C sea temperature

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The April weather guide for Wales (Swansea) 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 Swansea in April?

Daytime temperatures usually reach 12°C in Swansea in April, falling to 5°C at night.

How sunny is it in Swansea in April?

There are normally 6 hours of bright sunshine each day in Swansea in April - that's 39% of daylight hours.

Is the sea cold around Swansea in April?

The average sea temperature around Swansea in April is 9°C.

Does it rain in Swansea in April?

There are usually 14 days with some rain in Swansea in April and the average monthly rainfall is 69mm.

Swansea April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:51 18:50
Tuesday, 15th April 2025 05:19 19:13
Wednesday, 30th April 2025 04:49 19:38

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