Porthmadog weather in July 2025

Expect daytime maximum temperatures of 64°F in Porthmadog, Wales in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 13 days with some rainfall and typically 4.0 inches of rainfall in the month.

  • 64°F maximum daytime temperature in July in Porthmadog64
    64°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in July in Porthmadog13
    13 days with some rainfall
  • 52°F minimum night-time temperature in July in Porthmadog52
    52°F min night temperature
  • 16 hours of daylight per day in July in Porthmadog16
    16 hours of daylight per day
  • No heat & humidity in July in Porthmadog0
    No heat & humidity
  • 4.0 inches monthly rainfall in July in Porthmadog4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Porthmadog6
    6 (High) UV index
  • 61°F sea temperature in July in Porthmadog61
    61°F sea temperature

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Porthmadog by month

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The July 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 hot is it in Porthmadog in July?

Daytime temperatures usually reach 64°F in Porthmadog in July, falling to 52°F at night.

How sunny is it in Porthmadog in July?

There are normally 5 hours of bright sunshine each day in Porthmadog in July - that's 33% of daylight hours.

How warm is the sea around Porthmadog in July?

The average sea temperature around Porthmadog in July is 61°F.

Does it rain in Porthmadog in July?

There are usually 13 days with some rain in Porthmadog in July and the average monthly rainfall is 4.0 inches.

Porthmadog July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 03:56 20:45
Wednesday, 16th July 2025 04:11 20:33
Thursday, 31st July 2025 04:33 20:11

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