Caernarfon weather in April 2025

Expect daytime maximum temperatures of 11°C in Caernarfon in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 92 mm of rainfall in the month.

  • 11°C maximum daytime temperature in April in Caernarfon11
    11°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in April in Caernarfon14
    14 days with some rainfall
  • 4°C minimum night-time temperature in April in Caernarfon4
    4°C min night temperature
  • 14 hours of daylight per day in April in Caernarfon14
    14 hours of daylight per day
  • No heat & humidity in April in Caernarfon0
    No heat & humidity
  • 92 mm monthly rainfall in April in Caernarfon92
    92 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Caernarfon4
    4 (Moderate) UV index
  • 8°C sea temperature in April in Caernarfon8
    8°C sea temperature

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

Daytime temperatures usually reach 11°C in Caernarfon in April, falling to 4°C at night.

How sunny is it in Caernarfon in April?

There are normally 5 hours of bright sunshine each day in Caernarfon in April - that's 37% of daylight hours.

Is the sea cold around Caernarfon in April?

The average sea temperature around Caernarfon in April is 8°C.

Does it rain in Caernarfon in April?

There are usually 14 days with some rain in Caernarfon in April and the average monthly rainfall is 92mm.

Caernarfon April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:50 18:53
Tuesday, 15th April 2025 05:18 19:18
Wednesday, 30th April 2025 04:45 19:44

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