Ireland in May: where is it warmest?
In May, Dublin averages 14 °C by day.
All destinations in May, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Dublin | 53 | 14° | 11° | 6 h | 13 |
Ireland in May: quick answers
Ireland in May: where is it warmest?
The warmest places in May are Dublin (14 °C).
Ireland in May: where is the sea warmest?
The sea is warmest at Dublin (11 °C).
Ireland in May: where is the weather best?
The best holiday weather in May – warm, sunny and dry – is in Dublin.
Ireland month by month
Ireland: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)