SeasonScore
Dublin, Ireland
Photo: Robzle · CC0

Ireland

Dublin in October

🍂 Autumn

Cool and some showers.

🎒 Pack: warm jacket for evenings

Best months: Jul (9.7), Jun (9.6), Aug (9.5)

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Why October scores 9.1What goes into the score

How it works
🌡️ 14° / 9°C🌧️ 75 mm💧 dew pt 9°🍃 PM2.5 6
  • Weather comfort8.4
    • !Cool (14°C highs / 9°C lows)
    • ✓Comfortable humidity (dew point 9.4°C)
    • ✓Mostly dry (~75 mm rain)
  • Air quality9.8
    • ✓Good (within WHO guideline) (PM2.5 ~6 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut October side by side with another month
OctJul
Score9.1 Excellent9.7 Excellent
Season🍂 Autumn☀️ Summer
High / low14° / 9°20° / 14°
Rain75 mm58 mm
Humiditydew pt 9°dew pt 13°
PM2.56 µg/m³5 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 & crowdsOctober 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • October Bank 23–25 Oct · 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 locally

Ireland's capital on the River Liffey, known for its literary history, Georgian architecture, pubs and live music.

Events in October
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

Dublin MarathonDate variesUsually late October

A large city marathon.

Why go: Expect road closures.

Where: Citywide

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