Porthmadog weather in October 2025

Expect 13°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Porthmadog in October. Check more long-term weather averages for Porthmadog in October before you book your next holiday to Wales in 2025/2026.

  • 13°C maximum daytime temperature in October in Porthmadog13
    13°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in October in Porthmadog18
    18 days with some rainfall
  • 7°C minimum night-time temperature in October in Porthmadog7
    7°C min night temperature
  • 11 hours of daylight per day in October in Porthmadog11
    11 hours of daylight per day
  • No heat & humidity in October in Porthmadog0
    No heat & humidity
  • 184 mm monthly rainfall in October in Porthmadog184
    184 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Porthmadog2
    2 (Low) UV index
  • 14°C sea temperature in October in Porthmadog14
    14°C sea temperature

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The October 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 October?

Daytime temperatures usually reach 13°C in Porthmadog in October, falling to 7°C at night.

How sunny is it in Porthmadog in October?

There are normally 3 hours of bright sunshine each day in Porthmadog in October - that's 27% of daylight hours.

How warm is the sea around Porthmadog in October?

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

Does it rain in Porthmadog in October?

There are usually 18 days with some rain in Porthmadog in October and the average monthly rainfall is 184mm.

Porthmadog October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:18 17:53
Thursday, 16th October 2025 06:45 17:18
Friday, 31st October 2025 07:12 16:47

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