Dublin Weather in May
In May, Dublin averages a high of 16°C (60°F) and a low of 7°C (44°F), based on 56 years of historical weather data from DUBLIN PHOENIX PARK.
16°C
Average high
60°F
7°C
Average low
44°F
26°C
Record high
79°F · 2026
-3°C
Record low
26°F · 2012
What to Expect in Dublin in May
Typical May days in Dublin reach 16°C (60°F) during the afternoon and cool to around 7°C (44°F) overnight. On average, measurable rain falls on about 56% of days this month. Over the past 56 years, May temperatures in Dublin have ranged from a record high of 26°C (2026) down to a record low of -3°C (2012).
For a day-by-day look or other months, see the full Dublin weather history.