Castlebar weather in October 2025

Expect daytime maximum temperatures of 55°F in Castlebar, Ireland in October based on long-term weather averages. There are 2 hours of sunshine per day on average with 23 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 55°F maximum daytime temperature in October in Castlebar55
    55°F max day temperature
  • 2 hours of sunshine per day
  • 23 days with some rainfall in October in Castlebar23
    23 days with some rainfall
  • 45°F minimum night-time temperature in October in Castlebar45
    45°F min night temperature
  • 11 hours of daylight per day in October in Castlebar11
    11 hours of daylight per day
  • No heat & humidity in October in Castlebar0
    No heat & humidity
  • 5.2 inches monthly rainfall in October in Castlebar5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Castlebar2
    2 (Low) UV index

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

Daytime temperatures usually reach 55°F in Castlebar in October, falling to 45°F at night.

How sunny is it in Castlebar in October?

There are normally 2 hours of bright sunshine each day in Castlebar in October - that's 23% of daylight hours.

Does it rain in Castlebar in October?

There are usually 23 days with some rain in Castlebar in October and the average monthly rainfall is 5.2 inches.

Castlebar October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:39 18:13
Thursday, 16th October 2025 07:07 17:37
Friday, 31st October 2025 07:36 17:05

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