SeasonScore
Dublin, Ireland
Photo: Robzle · CC0

Ireland

Dublin in May

🌷 Spring

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 May scores 9.2What goes into the score

How it works
🌡️ 15° / 9°C🌧️ 54 mm💧 dew pt 9°🍃 PM2.5 9
  • Weather comfort8.8
    • !Cool (15°C highs / 9°C lows)
    • ✓Comfortable humidity (dew point 8.7°C)
    • ✓Mostly dry (~54 mm rain)
  • Air quality9.4
    • ✓Good (within WHO guideline) (PM2.5 ~9 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline9.0
    • ·Normal precautions
Compare monthsPut May side by side with another month
MayJul
Score9.2 Excellent9.7 Excellent
Season🌷 Spring☀️ Summer
High / low15° / 9°20° / 14°
Rain54 mm58 mm
Humiditydew pt 9°dew pt 13°
PM2.59 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 & crowdsMay 2027

Long weekend

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

  • May Day 1–3 May · 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 May

No major events on our calendar for May.

Coming up later

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

Dublin MarathonDate variesUsually late October

A large city marathon.

Why go: Expect road closures.

Where: Citywide