Arklow weather in October 2025

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

  • 14°C maximum daytime temperature in October in Arklow14
    14°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in October in Arklow18
    18 days with some rainfall
  • 8°C minimum night-time temperature in October in Arklow8
    8°C min night temperature
  • 11 hours of daylight per day in October in Arklow11
    11 hours of daylight per day
  • No heat & humidity in October in Arklow0
    No heat & humidity
  • 95 mm monthly rainfall in October in Arklow95
    95 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Arklow2
    2 (Low) UV index
  • 14°C sea temperature in October in Arklow14
    14°C sea temperature

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The October weather guide for Ireland (Arklow) 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 warm is it in Arklow in October?

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

How sunny is it in Arklow in October?

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

How warm is the sea around Arklow in October?

The average sea temperature around Arklow in October is 14°C.

Does it rain in Arklow in October?

There are usually 18 days with some rain in Arklow in October and the average monthly rainfall is 95mm.

Arklow October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:26 18:01
Thursday, 16th October 2025 06:53 17:27
Friday, 31st October 2025 07:20 16:56

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