Weather in Ireland in October

The weather in Ireland in October is unpredictable but adds to the magic of fall. Crisp days, occasional rain, and golden-hued landscapes make it a beautiful time to explore. Stroll through leaf-strewn paths in Dublin’s St. Stephen’s Green or wander the dramatic coastline of Connemara. The quieter season means fewer crowds at iconic spots like the Rock of Cashel or Glendalough. Rainy days? Dive into Ireland’s rich history at museums or visit a local bakery for a slice of warm apple tart. With a waterproof jacket and sturdy trunks, you’ll be ready to embrace Ireland’s wild fall charm.

Ireland in October at a glance

• Temperatures in Ireland in October range from 50°F to 57°F (10°C to 14°C) with cool mornings and occasional rain.
• Fall colors are at their peak, with the countryside and parks shimmering with golden and red hues.
• Tourist numbers are dwindling, making iconic places like the Ring of Kerry or Kilkenny Castle quieter to explore.
• Evenings are perfect for cozying up in a café or enjoying live music in a traditional bar.

Is October a good time to visit Ireland?

October is one of the best months to experience Ireland’s stunning fall scenery. The weather in Ireland in October is cool and changeable, with temperatures ranging from 50°F to 57°F (10°C to 14°C). Rain showers are common, but they’re often balanced by sunny spells, making it ideal for exploring the vibrant countryside.

This is the height of fall when the landscape glows with fiery reds and golds. Coastal trails are especially beautiful under the soft October light. Better yet, there are fewer tourists, which means you can enjoy these iconic places in peace.

If you prefer a quieter, more atmospheric visit, October is an excellent choice. Just bring a waterproof jacket and sturdy trunks, and you’ll be ready to embrace Ireland’s crisp, colorful charm.

Rough Guides tip: read all about the best time to visit Ireland.

Average daily temperatures in October

In October, the average daily temperature in Ireland ranges from highs of 57°F (14°C) to lows of 50°F (10°C). The weather is cool and windy, with a mix of sunny days and rain, which is typical of Ireland's unpredictable fall.

Regional differences are subtle but worth noting:

• Eastern regions such as Dublin are slightly cooler and drier, with crisp mornings and occasional light frosts at night.
• Western coastal areas such as Galway and County Kerry remain milder due to the Atlantic, although there is more rainfall. Expect highs around 55°F (13°C) and lows of 50°F (10°C).
• Northern areas are cooler, with temperatures sometimes dropping to 46°F (8°C) at night and a higher chance of early frosts.
• Southern regions such as Cork and Waterford have the mildest weather, with daytime highs reaching 59°F (15°C).

Snow is unlikely, even in the mountains, but the weather in Ireland in October can change quickly. Layered and waterproof clothing is essential to stay comfortable.

What about the crowd and cost?

October in Ireland is part of the off-peak tourist season, which means popular attractions are in a nice lull. If you prefer a more relaxed travel experience, this is an excellent time to visit. Even major cities like Dublin and Galway feel calmer, with none of the summer crowds or the vacation rush that begins in late November.

Fewer visitors also mean more affordable travel. Accommodation prices and airfares tend to be lower in October, and you can often find discounts on tours and activities. For budget-conscious travelers looking to explore Ireland’s fall charm in peace, October is hard to beat.

Looking for more options for your vacation in October? Find the perfect vacation destination with our top suggestions.

Things to do in Ireland in October

October in Ireland means crisp fall days, colorful scenery and unique seasonal experiences. Here are five activities that will make your trip unforgettable:

Visit a traditional Irish harvest festival

Celebrate the season by attending local harvest festivals such as the Savor Kilkenny Festival of Food. These events showcase the best of Irish produce with cooking demonstrations, food stalls and traditional music.

Stargaze at the dark sky reserve in Kerry

October’s long nights and crisp weather are ideal for stargazing. Head to Kerry International Dark Sky Reserve, where you can marvel at clear views of the Milky Way and countless constellations.

Visit haunted castles

Celebrate Halloween’s Irish roots by visiting spooky spots like Leap Castle in Offaly or Malahide Castle near Dublin. With ghostly legends and eerie atmospheres, these castles are a must in October.

Traveling to Dublin? Don't miss the opportunity to choose the best places to stay in the city.

Cycle the Great Western Greenway

October’s cooler but dry days are perfect for cycling. The Great Western Greenway in County Mayo offers a scenic 26-mile (42km) route through forests, mountains, and along the Atlantic coastline. The fall colors make it even more picturesque.

Photograph Glendalough in fall

The Wicklow Mountains shine in October, and Glendalough’s monastic ruins surrounded by golden trees are breathtaking. It’s a perfect spot for hiking or capturing Ireland’s autumnal beauty on camera.

Festivals and events in Ireland in October

October in Ireland is rich with cultural and seasonal events, offering everything from spooky traditions to food and film festivals. Here are some highlights to add to your itinerary:

• Savor Kilkenny Food Festival: This culinary festival in late October showcases Ireland’s best local produce, with cooking demonstrations, food stalls, and tastings. It’s a must-visit for foodies eager to explore Irish flavors in a lively, autumnal setting.
• Cork Jazz Festival: One of Ireland’s biggest music events, the Cork Jazz Festival brings world-class musicians to the city in late October. With concerts, late-night sessions, and a vibrant atmosphere, it’s a highlight of the month.
• Bram Stoker Festival: Held in Dublin, this festival celebrates the legacy of Dracula author Bram Stoker. Expect spooky tours, theatrical performances, and Gothic-themed events scattered across the city — a perfect nod to Ireland’s darker literary history.

Plan your trip with our Ireland itineraries

If you're planning a trip to Ireland, check out our Ireland itinerary suggestions for ideas on how to spend your time exploring the Emerald Isle.

Browse them to forgo the hassle of having to make your own trip plan.

• Ireland itinerary 7 days
• Ireland itinerary 10 days
• Ireland and Scotland itinerary