Ireland weather in October 2025

Expect 14°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Ireland in October. Check more long-term weather averages for Ireland in October before you book your next holiday to Ireland in 2025/2026.

  • 14°C maximum daytime temperature in October in Ireland (Dublin)14
    14°C max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in October in Ireland (Dublin)16
    16 days with some rainfall
  • 8°C minimum night-time temperature in October in Ireland (Dublin)8
    8°C min night temperature
  • 11 hours of daylight per day in October in Ireland (Dublin)11
    11 hours of daylight per day
  • No heat & humidity in October in Ireland (Dublin)0
    No heat & humidity
  • 67 mm monthly rainfall in October in Ireland (Dublin)67
    67 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Ireland (Dublin)2
    2 (Low) UV index
  • 13°C sea temperature in October in Ireland (Dublin)13
    13°C sea temperature

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The October 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.

Top Ireland destinations

Below are average maximum temperatures at popular countries, regions and places in Ireland in October. Select a holiday destination to see more weather parameters.

All Ireland destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Ireland

How warm is it in Ireland in October?

Daytime temperatures usually reach 14°C in Dublin, Ireland in October, falling to 8°C at night.

How sunny is it in Ireland in October?

There are normally 3 hours of bright sunshine each day in Dublin, Ireland in October - that's 29% of daylight hours.

How warm is the sea around Ireland in October?

The average sea temperature around Dublin, Ireland in October is 13°C.

Does it rain in Ireland in October?

There are usually 16 days with some rain in Dublin, Ireland in October and the average monthly rainfall is 67mm.

Ireland October sunrise & sunset times

Browse the sunrise and sunset times for Ireland in October 2025. Select a month to view Ireland sunrise and sunset times for the next 12 months. The Ireland sunrise and sunset times shown below are for Dublin.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:27 18:01
Thursday, 16th October 2025 06:54 17:26
Friday, 31st October 2025 07:22 16:54

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