Porthmadog weather in June 2025

Expect 17°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Porthmadog in June. Check more long-term weather averages for Porthmadog in June before you book your next holiday to Wales in 2025/2026.

  • 17°C maximum daytime temperature in June in Porthmadog17
    17°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in June in Porthmadog14
    14 days with some rainfall
  • 9°C minimum night-time temperature in June in Porthmadog9
    9°C min night temperature
  • 17 hours of daylight per day in June in Porthmadog17
    17 hours of daylight per day
  • No heat & humidity in June in Porthmadog0
    No heat & humidity
  • 98 mm monthly rainfall in June in Porthmadog98
    98 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Porthmadog6
    6 (High) UV index
  • 14°C sea temperature in June in Porthmadog14
    14°C sea temperature

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The June weather guide for Wales (Porthmadog) 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 Porthmadog in June?

Daytime temperatures usually reach 17°C in Porthmadog in June, falling to 9°C at night.

How sunny is it in Porthmadog in June?

There are normally 6 hours of bright sunshine each day in Porthmadog in June - that's 36% of daylight hours.

How warm is the sea around Porthmadog in June?

The average sea temperature around Porthmadog in June is 14°C.

Does it rain in Porthmadog in June?

There are usually 14 days with some rain in Porthmadog in June and the average monthly rainfall is 98mm.

Porthmadog June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 03:57 20:32
Sunday, 15th June 2025 03:51 20:44
Monday, 30th June 2025 03:55 20:45

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