Ireland
Dublin in December
🧥 WinterCold and some showers.
🎒 Pack: warm jacket for evenings
Why December scores 8.5What goes into the score
How it works- Weather comfort7.2
- !Cold (9°C highs / 4°C lows)
- ✓Comfortable humidity (dew point 5°C)
- ✓Mostly dry (~66 mm rain)
- Air quality10.0
- ✓Good (within WHO guideline) (PM2.5 ~4 µg/m³)
- Seasonal hazards10.0
- ·No notable seasonal hazards
- Safety baseline9.0
- ·Normal precautions
| Dec | Jul | |
|---|---|---|
| Score | 8.5 Excellent | 9.7 Excellent |
| Season | 🧥 Winter | ☀️ Summer |
| High / low | 9° / 4° | 20° / 14° |
| Rain | 66 mm | 58 mm |
| Humidity | dew pt 5° | dew pt 13° |
| PM2.5 | 4 µg/m³ | 5 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Dublin weather-station normals. Rainfall: Merrion Square, Dublin weather-station normals (national met service).
Holidays & crowdsDecember 2026
Long weekendThere's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.
- Christmas Day 25–27 Dec · 3 days off in a row
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore DublinEvents, sights, food & souvenirs
Check event dates locallyIreland's capital on the River Liffey, known for its literary history, Georgian architecture, pubs and live music.
No major events on our calendar for December.
Coming up later
St Patrick's DayEvery year17 March every year, with a festival over several days
Ireland's national day, with a large parade and events.
Why go: Hotels are expensive and the centre is crowded.
Where: City centre
BloomsdayEvery year16 June every year
Fans of James Joyce's Ulysses dress up and retrace the novel's events.
Why go: Readings and walks happen around the city.
Where: Around the city
Dublin Theatre FestivalDate variesUsually late September to October
A long-running international theatre festival.
Why go: Book popular shows early.
Where: Theatres across the city
Trinity College and the Book of Kells
Ireland's oldest university, displaying a 9th-century illuminated manuscript and the Long Room library.
💡 Book ahead, especially in summer.
Guinness Storehouse
A visitor centre at St James's Gate brewery with a rooftop bar.
Kilmainham Gaol
A former prison central to Ireland's independence struggle.
💡 Visits are by guided tour and sell out.
St Patrick's Cathedral
Ireland's largest cathedral, where Jonathan Swift was dean.
Phoenix Park
A huge park with deer herds and the president's residence.
Howth
A fishing village with cliff walks, a short train ride away.
Irish stew
Lamb or mutton stewed with potatoes and onions.
Dublin coddle
A stew of sausages, bacon and potatoes, a Dublin speciality.
Full Irish breakfast
Eggs, sausages, rashers, black and white pudding.
Guinness
Stout brewed in Dublin since 1759.
💡 Pubs
Soda bread
Bread raised with baking soda and buttermilk.
Irish whiskey
Whiskey from Irish distilleries, including some in Dublin.
💡 Specialist shops and distilleries
Aran knitwear
Cable-knit wool sweaters.
💡 Knitwear shops
Irish linen
Tablecloths and textiles.
💡 Department stores and craft shops