Caernarfon weather in May 2024

Expect 14°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Caernarfon in May. Check more long-term weather averages for Caernarfon in May before you book your next holiday to Wales in 2024/2025.

  • 14°C maximum daytime temperature in May in Caernarfon14
    14°C max day temperature
  • 6 hours of sunshine per day
  • 15 days with some rainfall in May in Caernarfon15
    15 days with some rainfall
  • 7°C minimum night-time temperature in May in Caernarfon7
    7°C min night temperature
  • 16 hours of daylight per day in May in Caernarfon16
    16 hours of daylight per day
  • No heat & humidity in May in Caernarfon0
    No heat & humidity
  • 90 mm monthly rainfall in May in Caernarfon90
    90 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Caernarfon5
    5 (Moderate) UV index
  • 10°C sea temperature in May in Caernarfon10
    10°C sea temperature

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The May 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 May?

Daytime temperatures usually reach 14°C in Caernarfon in May, falling to 7°C at night.

How sunny is it in Caernarfon in May?

There are normally 6 hours of bright sunshine each day in Caernarfon in May - that's 40% of daylight hours.

Is the sea cold around Caernarfon in May?

The average sea temperature around Caernarfon in May is 10°C.

Does it rain in Caernarfon in May?

There are usually 15 days with some rain in Caernarfon in May and the average monthly rainfall is 90mm.

Caernarfon May sunrise & sunset times

Browse the sunrise and sunset times for Caernarfon in May 2024. Select a month to view Caernarfon sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st May 2024 05:43 20:47
Thursday, 16th May 2024 05:16 21:12
Friday, 31st May 2024 04:57 21:33

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