Dublin weather in August 2025

Expect 66°F 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.

  • 66°F maximum daytime temperature in August in Dublin66
    66°F max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in August in Dublin16
    16 days with some rainfall
  • 52°F minimum night-time temperature in August in Dublin52
    52°F 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
  • 2.8 inches monthly rainfall in August in Dublin2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Dublin5
    5 (Moderate) UV index
  • 59°F sea temperature in August in Dublin59
    59°F 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)  |  Imperial (°F)

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More about Ireland

How hot is it in Dublin in August?

Daytime temperatures usually reach 66°F in Dublin in August, falling to 52°F 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 59°F.

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 2.8 inches.

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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