Ireland in October: Weather, Crowds & What to Expect
Climate Map for October
Average temperature across Ireland in October.
City Weather in October
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Dublin | 14° | 7° | 71 mm | low | Cool |
| Cork (city) | 14° | 8° | 108 mm | low | Cool |
| Limerick | 14° | 8° | 114 mm | low | Cool |
| Galway | 14° | 8° | 118 mm | low | Cool |
| Tallaght | 14° | 6° | 80 mm | low | Cool |
| Waterford | 14° | 8° | 97 mm | low | Cool |
| Swords, County Dublin | 14° | 7° | 74 mm | low | Cool |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Eastern & Dublin (Leinster and East Coast)
October is when Atlantic systems start to sweep across the east with more regular wind and rain; coastal promenades are dramatic but blustery and some ferry crossings can be rough. Wicklow’s higher paths can be muddy and slippery, so pack waterproof boots and a windproof jacket. City life moves indoors; theatre and galleries are good alternatives to outdoor plans and shoulder-season hotel deals sometimes appear.
The Midlands & Shannon Basin (Central Plains)
October often turns wetter and windier as Atlantic lows push further inland, with leaves dropping and days shortening; lanes into bog country become very soft underfoot. Midday conditions can still be pleasant for an inland drive, but plan for heavy showers and blustery gusts in exposed spots. For travellers, tie your schedule to forecasts for riverside activities and be cautious with minor roads when heavy rain has fallen.
Southwest (Cork, Kerry, Ring of Kerry, Dingle Peninsula)
October can swing from golden autumn days to strong Atlantic storms; exposed headlands such as Mizen Head are dramatic but very windy, and ferry services to smaller islands may curtail. Leaf colours along minor roads are at their best early in the month, but by late October rain and wind dominate. Travelers should allow flexibility for coastal excursions and expect some closures of island visitor services.
West Coast & Connemara / Galway / Clare (Aran Islands, Cliffs of Moher)
October can bring dramatic weather swings - long clear days interspersed with Atlantic storms that lash exposed headlands and close island services. Autumn colours start to show on scrub and pasture, and fewer visitors make for peaceful drives on the Sky Road and coastal lanes. Travelers should watch weather forecasts closely and avoid exposed boat tours when gales are forecast.
Northern & Northwest (Antrim Coast, Derry, Donegal)
October often turns windy with the return of stronger Atlantic fronts; sea spray and heavy rain can make cliff walks dramatic but exposed headland routes risky. Donegal’s mountains and beaches are beautiful in autumn colours, but short daylight hours mean planning half-day walks rather than long ridge routes. Travel plans that include small ferries should include contingency days for cancellations.