Dublin weather in October 2021

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  • 14°C maximum daytime temperature in October in Dublin14
    14°C max day temperature
  • 3 hours of sunshine per day
  • 16 days with some rainfall in October in Dublin16
    16 days with some rainfall
  • 8°C minimum night-time temperature in October in Dublin8
    8°C min night temperature
  • 11 hours of daylight per day in October in Dublin11
    11 hours of daylight per day
  • No heat & humidity in October in Dublin0
    No heat & humidity
  • 67 mm monthly rainfall in October in Dublin67
    67 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Dublin2
    2 (Low) UV index
  • 13°C sea temperature in October in Dublin13
    13°C sea temperature

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The October weather guide for Dublin, Ireland 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.

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How warm is it in Dublin in October?

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

How sunny is it in Dublin in October?

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

How warm is the sea around Dublin in October?

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

Does it rain in Dublin in October?

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

Dublin sunrise & sunset times for October 2021

Browse the sunrise & sunset times for Dublin in October 2021. Select a month to view Dublin sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st October 2021 07:27 19:01
Saturday, 16th October 2021 07:54 18:26
Sunday, 31st October 2021 07:22* 16:54*

*Daylight saving ends - Greenwich Mean Time (GMT) starts

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

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Where is warm in Ireland in October for 2021/2022?

Below are average maximum temperatures at popular destinations in Ireland in October. Select a destination to see more weather parameters.

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