Porthcawl weather in August 2025

Expect 19°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Porthcawl in August. Check more long-term weather averages for Porthcawl in August before you book your next holiday to Wales in 2025/2026.

  • 19°C maximum daytime temperature in August in Porthcawl19
    19°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in August in Porthcawl16
    16 days with some rainfall
  • 12°C minimum night-time temperature in August in Porthcawl12
    12°C min night temperature
  • 15 hours of daylight per day in August in Porthcawl15
    15 hours of daylight per day
  • No heat & humidity in August in Porthcawl0
    No heat & humidity
  • 117 mm monthly rainfall in August in Porthcawl117
    117 mm of monthly rainfall
  • UV (maximum) index 6 (High) in August in Porthcawl6
    6 (High) UV index
  • 18°C sea temperature in August in Porthcawl18
    18°C sea temperature

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Porthcawl by month

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The August weather guide for Wales (Porthcawl) 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 hot is it in Porthcawl in August?

Daytime temperatures usually reach 19°C in Porthcawl in August, falling to 12°C at night.

How sunny is it in Porthcawl in August?

There are normally 6 hours of bright sunshine each day in Porthcawl in August - that's 39% of daylight hours.

How warm is the sea around Porthcawl in August?

The average sea temperature around Porthcawl in August is 18°C.

Does it rain in Porthcawl in August?

There are usually 16 days with some rain in Porthcawl in August and the average monthly rainfall is 117mm.

Porthcawl August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:39 20:02
Saturday, 16th August 2025 05:02 19:35
Sunday, 31st August 2025 05:26 19:03

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