Ireland in October

October is Ireland's 7th-best month (rank 7 of 12): its 7 destinations average 67/100, led by Killarney at 74 — 12°C and 17 rainy days — while Dingle trails at 54 with 125 mm of rain.

#7 of 12 months for Ireland · 7 destinations · updated September 2026 · climate normals from ERA5 reanalysis

Where in Ireland in October

#PlaceTypeFeels-like highRainComfortAt its best
1KillarneyTrekking hub12°C132 mm · 17 days74 tier B
2DublinCity12°C73 mm · 13 days72 tier B
3CorkCity13°C105 mm · 14 days69 tier C
4KilkennyCity11°C89 mm · 13 days69 tier C
5ClifdenTrekking hub10°C155 mm · 19 days67 tier C
6GalwayCity11°C113 mm · 16 days67 tier C
7DingleBeach11°C125 mm · 18 days54 tier D

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means October is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in Ireland in October

  • Red deer rut · Killarney · 25 Sep – 25 Oct (usually)
  • Oakwoods turning · Killarney · 5 Oct – 5 Nov (usually)
  • Dublin Theatre Festival · Dublin · 24 Sep – 11 Oct
  • Bram Stoker Festival and Samhain · Dublin · 23–26 Oct
  • Dublin Marathon · Dublin · 24–31 Oct (usually)
  • Dingle Food Festival · Dingle · 28 Sep – 8 Oct (usually)
  • Cork Jazz Festival · Cork · 22–31 Oct (usually)
  • Savour Kilkenny · Kilkenny · 22–26 Oct

Seasons in force

Peak crowds at 2 of Ireland's 3 well-known places this month.

Better months for Ireland

More about October