Porthmadog weather in January 2025

Expect 45°F daytime maximum temperatures in the shade with on average 1 hours of sunshine per day in Porthmadog in January. Check more long-term weather averages for Porthmadog in January before you book your next holiday to Wales in 2025/2026.

  • 45°F maximum daytime temperature in January in Porthmadog45
    45°F max day temperature
  • 1 hour of sunshine per day
  • 21 days with some rainfall in January in Porthmadog21
    21 days with some rainfall
  • 36°F minimum night-time temperature in January in Porthmadog36
    36°F min night temperature
  • 8 hours of daylight per day in January in Porthmadog8
    8 hours of daylight per day
  • No heat & humidity in January in Porthmadog0
    No heat & humidity
  • 7.1 inches monthly rainfall in January in Porthmadog7.1
    7.1 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Porthmadog1
    1 (Low) UV index
  • 45°F sea temperature in January in Porthmadog45
    45°F sea temperature

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Porthmadog by month

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The January 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)  |  Imperial (°F)

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More about Wales

How cold is it in Porthmadog in January?

Daytime temperatures usually reach 45°F in Porthmadog in January, falling to 36°F at night.

How sunny is it in Porthmadog in January?

There are normally 1 hour of bright sunshine each day in Porthmadog in January - that's 16% of daylight hours.

How warm is the sea around Porthmadog in January?

The average sea temperature around Porthmadog in January is 45°F.

Does it rain in Porthmadog in January?

There are usually 21 days with some rain in Porthmadog in January and the average monthly rainfall is 7.1 inches.

Porthmadog January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:29 16:11
Thursday, 16th January 2025 08:21 16:33
Friday, 31st January 2025 08:01 17:00

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