Fishguard weather in August 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Fishguard in August. Check more long-term weather averages for Fishguard in August before you book your next holiday to Wales in 2025/2026.

  • 18°C maximum daytime temperature in August in Fishguard18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in August in Fishguard14
    14 days with some rainfall
  • 12°C minimum night-time temperature in August in Fishguard12
    12°C min night temperature
  • 15 hours of daylight per day in August in Fishguard15
    15 hours of daylight per day
  • No heat & humidity in August in Fishguard0
    No heat & humidity
  • 88 mm monthly rainfall in August in Fishguard88
    88 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Fishguard5
    5 (Moderate) UV index
  • 16°C sea temperature in August in Fishguard16
    16°C sea temperature

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The August weather guide for Wales (Fishguard) 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 Fishguard in August?

Daytime temperatures usually reach 18°C in Fishguard in August, falling to 12°C at night.

How sunny is it in Fishguard in August?

There are normally 6 hours of bright sunshine each day in Fishguard in August - that's 42% of daylight hours.

How warm is the sea around Fishguard in August?

The average sea temperature around Fishguard in August is 16°C.

Does it rain in Fishguard in August?

There are usually 14 days with some rain in Fishguard in August and the average monthly rainfall is 88mm.

Fishguard August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:42 20:09
Saturday, 16th August 2025 05:06 19:41
Sunday, 31st August 2025 05:30 19:09

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