Rhyl weather in August 2026

Expect daytime maximum temperatures of 19°C in Rhyl, Wales in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 64 mm of rainfall in the month.

  • 19°C maximum daytime temperature in August in Rhyl19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Rhyl16
    16 days with some rainfall
  • 11°C minimum night-time temperature in August in Rhyl11
    11°C min night temperature
  • 15 hours of daylight per day in August in Rhyl15
    15 hours of daylight per day
  • No heat & humidity in August in Rhyl0
    No heat & humidity
  • 64 mm monthly rainfall in August in Rhyl64
    64 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Rhyl5
    5 (Moderate) UV index
  • 17°C sea temperature in August in Rhyl17
    17°C sea temperature

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

Daytime temperatures usually reach 19°C in Rhyl in August, falling to 11°C at night.

How sunny is it in Rhyl in August?

There are normally 5 hours of bright sunshine each day in Rhyl in August - that's 35% of daylight hours.

How warm is the sea around Rhyl in August?

The average sea temperature around Rhyl in August is 17°C.

Does it rain in Rhyl in August?

There are usually 16 days with some rain in Rhyl in August and the average monthly rainfall is 64mm.

Rhyl August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 04:30 20:09
Sunday, 16th August 2026 04:56 19:40
Monday, 31st August 2026 05:22 19:06

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