Dublin in May
sweet spot · one of the best months to go · the driest month of the year, the sunniest month of the year
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The numbers
| Daily high | 15°C |
|---|---|
| Nightly low | 9°C |
| Feels like, afternoon | 14°C |
| Rainy days | 9 · 62 mm |
| Humidity | 77% |
| Sunshine | 11.4 h/day |
| Daylight | 15.9 h/day |
| Crowds | 100 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 2 mm.
Public holidays in May
Holidays crowd a place out and push fares up around them; they count toward the crowd score above.
What to pack
- Warm layers for the evenings, which drop to about 9°C.
- A packable rain jacket for the 9 or so rainy days.
- Sun protection: about 11 hours of sunshine a day.
- Humidity averages 77%; breathable fabrics dry faster.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
| Cost of living | moderate — prices run about 85% of the United States' (World Bank, 2025) |
|---|---|
| Currency | Q4916 |
| Languages | Irish, English |
| Plugs | Type G, 230 V |
| Driving | On the left |
| Emergency | 112 |
| Calling code | +353 |
| Travel advice | No advice against travel — UK Foreign Office, updated 2026-09-04 |
Health. Before you travel check that: your destination can provide the healthcare you may need you have appropriate travel insurance for local treatment or unexpected medical evacuation This is particularly important if you have a health condition or are pregnant. Emergency medical number Dial 112 or 999 and ask for an ambulance. Contact your insurance or medical assistance company quickly if you’re refer… More.
Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-09-23. The advisory is written for British travellers; entry rules depend on your passport.
May elsewhere
In May from
The other months at Dublin
- January avoid
- February avoid
- March ok
- April ok
- May
- June sweet spot
- July sweet spot
- August sweet spot
- September good
- October ok
- November avoid
- December avoid
← April · All twelve months at Dublin · June →
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