October weather forecast
Ireland

October in Ireland brings a further transition into autumn, with average temperatures falling between 9°C (48.2°F) and 14°C (57.2°F). This is noticeably cooler compared to the conditions of September, marking the progression towards winter.

Compared to September, October experiences significantly cooler and shorter days. Daylight hours continue to decrease rapidly, dropping to approximately 10 hours per day by the end of the month. Correspondingly, the duration of sunshine also reduces significantly, with Dublin typically recording around 100 hours of sunshine throughout October.

Rainfall in October averages between 80mm (3.15") and 100mm (3.94"), an increase from September levels, as the rainy season begins. The west continues to receive more rainfall than the east, a pattern that remains consistent throughout the year. Wind conditions across the country generally intensify, with the western coastal areas witnessing particularly strong winds due to the influence of the Atlantic.

Sea temperatures around Ireland's coast continue to drop in October, averaging between 12°C (53.6°F) and 13°C (55.4°F). Despite this, coastal regions retain a milder climate than the interior, as the surrounding waters help to moderate temperatures.

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• Dublin - October »
  The month with the most rainfall in Dublin is October, when the rain falls for 12 days and typically aggregates up to 76mm (2.99") of precipitation. October 2024, at 2:00 am, Daylight Saving Time starts in Dublin, and the time zone changes from IST to GMT.
• Cork - October »
  October 2024, at 2:00 am, Daylight Saving Time starts in Cork, and the time zone changes from IST to GMT. When does Daylight Saving Time start in October in Cork?
• Galway - October »
  October 2024, at 2:00 am, Daylight Saving Time starts in Galway and the time zone changes from IST to GMT. When does Daylight Saving Time start in October in Galway?
• Limerick - October »
  When does Daylight Saving Time start in October in Limerick? October weather significantly changes in Limerick falling more into line with the onset of the colder months.
• Waterford - October »
  The month with the most rainfall in Waterford is October, when the rain falls for 13.8 days and typically aggregates up to 116mm (4.57") of precipitation. October 2024, at 2:00 am, Daylight Saving Time starts in Waterford and the time zone changes from IST to GMT.
• Drogheda - October »
  October 2024, at 2:00 am, Daylight Saving Time starts in Drogheda, and the time zone changes from IST to GMT. When does Daylight Saving Time start in October in Drogheda?
• Dundalk - October »
  When does Daylight Saving Time start in October in Dundalk? The months with the least sunshine in Dundalk, Ireland, are February and October, with an average of 3.7h of sunshine.
• Swords - October »
  October 2024, at 2:00 am, Daylight Saving Time starts in Swords, Ireland, and the time zone changes from IST to GMT. When does Daylight Saving Time start in October in Swords?
• Bray - October »
  October 2024, at 2:00 am, Daylight Saving Time starts in Bray, and the time zone changes from IST to GMT. In Bray during October, the rain falls for 15.8 days and regularly aggregates up to 48mm (1.89") of precipitation.
• Kilkenny - October »
  October 2024, at 2:00 am, Daylight Saving Time starts in Kilkenny and the time zone changes from IST to GMT. The month with the most rainfall in Kilkenny is October, when the rain falls for 13 days and typically aggregates up to 95mm (3.74") of precipitation.
• Ennis - October »
  In Ennis, Ireland, during October, the rain falls for 13.8 days and regularly aggregates up to 22mm (0.87") of precipitation. When does Daylight Saving Time start in October in Ennis?