Dublin in October

Cooler and wetter; bank-holiday weekend is busy.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

October is rated good. These months rate higher:

• MayGreatOne of the driest, brightest months.
• JuneGreatLong light until 22:00; Bloomsday Jun 16.
• JulyGreatWarm, peak season: book tickets and rooms early.
• AugustGreatPeak season and crowds; showers.

• DublinHighs around 14 °C (57 °F), lows around 8 °C (46 °F), rain on about 14 daysHighs around 57 °F (14 °C), lows around 46 °F (8 °C), rain on about 14 days
• Dublin and the east, Ireland · Dublin, Wicklow, Boyne Valley, Kilkennyfine

  Driest part of the country; mild all year, rarely above 25 °C (77 °F) or below freezing.Driest part of the country; mild all year, rarely above 77 °F (25 °C) or below freezing.

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

• Dublin Theatre Festival check

  Late September into October (check) · Theatres

  Ticketed shows; book early for the popular ones.

• Dublin Marathon and the October bank holiday check

  Last Monday of October · Whole city

  Road closures on the course; hotels fill on the weekend; runners in the city.

• Halloween

  31 October · Centre and neighbourhood parties

  Costumes and parades; the festival has Celtic roots in Samhain.

• October bank holiday and Halloween

  Last Monday of October (26 Oct 2026) · Ireland

  Halloween started in Ireland: festivals in Derry and Dublin; school mid-term week.

Crowds · Ireland overall

Medium

Prices · Ireland overall

Medium

Ireland overall: Autumn storms begin; Halloween festivals and mid-term week at the end.

Weather, crowds and prices for any two months in Dublin, side by side.

• A warm layer for the evenings
• A rain jacket or umbrella and shoes that dry fast

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