Porthmadog weather in March 2026

Expect daytime maximum temperatures of 8°C in Porthmadog, Wales in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 141 mm of rainfall in the month.

  • 8°C maximum daytime temperature in March in Porthmadog8
    8°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in March in Porthmadog18
    18 days with some rainfall
  • 2°C minimum night-time temperature in March in Porthmadog2
    2°C min night temperature
  • 12 hours of daylight per day in March in Porthmadog12
    12 hours of daylight per day
  • No heat & humidity in March in Porthmadog0
    No heat & humidity
  • 141 mm monthly rainfall in March in Porthmadog141
    141 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Porthmadog2
    2 (Low) UV index
  • 7°C sea temperature in March in Porthmadog7
    7°C sea temperature

More about Porthmadog

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The March 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 March?

Daytime temperatures usually reach 8°C in Porthmadog in March, falling to 2°C at night.

How sunny is it in Porthmadog in March?

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

Is the sea cold around Porthmadog in March?

The average sea temperature around Porthmadog in March is 7°C.

Does it rain in Porthmadog in March?

There are usually 18 days with some rain in Porthmadog in March and the average monthly rainfall is 141mm.

Porthmadog March sunrise & sunset times

Browse the sunrise and sunset times for Porthmadog in March 2026. Select a month to view Porthmadog sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 07:04 17:55
Monday, 16th March 2026 06:29 18:23
Tuesday, 31st March 2026 05:53 18:50

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