Arklow weather in October 2025

Expect daytime maximum temperatures of 57°F in Arklow, Ireland in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 18 days with some rainfall and typically 3.7 inches of rainfall in the month.

  • 57°F maximum daytime temperature in October in Arklow57
    57°F max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in October in Arklow18
    18 days with some rainfall
  • 46°F minimum night-time temperature in October in Arklow46
    46°F 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
  • 3.7 inches monthly rainfall in October in Arklow3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Arklow2
    2 (Low) UV index
  • 57°F sea temperature in October in Arklow57
    57°F 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)  |  Imperial (°F)

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More about Ireland

How warm is it in Arklow in October?

Daytime temperatures usually reach 57°F in Arklow in October, falling to 46°F 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 57°F.

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 3.7 inches.

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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