Ireland in December: what to expect

December is the darkest month: roughly 7.5 hours of daylight, with sunset around 16:15–16:30 through the month. Days are cool rather than freezing — highs near 8–9 °C, nights around 3–4 °C — and frost is more likely inland than on the coast. Snow is uncommon and rarely settles for long at low level.

Rain falls on most days somewhere, but it usually comes in showers rather than all-day downpours. The east (Dublin, Wicklow, Kilkenny) is the driest part of the country; the west coast (Galway, Connemara, Clare, Mayo, Donegal) and the south-west (Kerry, Dingle, West Cork) are wettest and take the brunt of Atlantic storms, which can close cliff paths and cancel island ferries. Wind is the bigger story than cold: bring a waterproof shell rather than a heavy coat.

Early December is one of the quietest, cheapest times of the year outside the cities: rural B&Bs and some attractions close for the winter, but hotel rates in Dublin and other cities are low. From about 20 December the pattern flips. Irish people travel home, city hotels and restaurants fill, and 24–31 December is the most expensive week of the month — book that period well ahead.

Christmas Day and St Stephen's Day (25–26 December) are the hard stop: no public transport on the 25th, pubs closed, and only limited services on the 26th. If you are moving between towns over those two days, plan around them or stay put. New Year's Eve brings crowds and higher prices in Dublin, Galway and Cork.

December in Ireland is built around Christmas rather than festivals. Cities and towns run Christmas markets and lights — Dublin, Galway, Cork and Waterford all have seasonal markets and family events — and the trad-music pub session is the reliable year-round draw, with more of them in the run-up to Christmas. Check local listings for exact dates, as markets vary year to year.

New Year's Eve (31 December) brings fireworks and street events in Dublin and other cities. Beyond that, expect carol services, pantomimes and craft fairs rather than large-scale festivals. Confirm dates and tickets locally before you build a trip around a specific event.

Play to the month's strengths: cities, museums, pubs and short walks. Dublin is the obvious base — Trinity College, the National Museum, the Guinness Storehouse and the Book of Kells are all indoor, and the pubs and restaurants are at their best. Kilkenny and Cork work the same way, with a compact centre you can cross on foot between showers.

In the south-west, Killarney and Kenmare are still usable as bases for short, low-level walks, and West Cork's gardens stay green through the mild winter, but expect rain and short days. The west coast and the islands are the ones to skip: Atlantic storms can close cliff paths and cancel ferries to the Aran Islands and Inishbofin, and many rural attractions and B&Bs shut for the season. If you want scenery, choose a short drive with an indoor fallback rather than a full coastal loop.

Pack for wet and windy rather than freezing: a waterproof shell with a hood, warm layers you can add and remove, and shoes with grip for wet pavements and muddy paths. A compact umbrella is useful in cities but useless on exposed coasts. Bring a warm hat and gloves for evenings and for any time on the water.

Days are short, so a small torch or phone light helps on unlit rural roads, and a power bank keeps you going when you are out from morning until dark. If you plan to swim or use a hot tub, add a wetsuit or check what the hotel provides. See the full packing list for the rest.

November is darker and wetter with fewer events; January is similar to December but without the Christmas atmosphere, and cheaper once New Year is over. If you can shift your trip, late spring and early autumn give far better weather for the coast. Compare the shoulder months before you commit.