Dublin weather in August 2025

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Dublin in August. Check more long-term weather averages for Dublin in August before you book your next holiday to Ireland in 2025/2026.

  • 19°C maximum daytime temperature in August in Dublin19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Dublin16
    16 days with some rainfall
  • 11°C minimum night-time temperature in August in Dublin11
    11°C min night temperature
  • 15 hours of daylight per day in August in Dublin15
    15 hours of daylight per day
  • No heat & humidity in August in Dublin0
    No heat & humidity
  • 71 mm monthly rainfall in August in Dublin71
    71 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Dublin5
    5 (Moderate) UV index
  • 15°C sea temperature in August in Dublin15
    15°C sea temperature

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The August weather guide for Ireland (Dublin) 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 Ireland

How hot is it in Dublin in August?

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

How sunny is it in Dublin in August?

There are normally 5 hours of bright sunshine each day in Dublin in August - that's 34% of daylight hours.

How warm is the sea around Dublin in August?

The average sea temperature around Dublin in August is 15°C.

Does it rain in Dublin in August?

There are usually 16 days with some rain in Dublin in August and the average monthly rainfall is 71mm.

Dublin August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:42 20:20
Saturday, 16th August 2025 05:07 19:50
Sunday, 31st August 2025 05:33 19:16

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