Dublin Weather in May
In May, Dublin averages a high of 16°C (60°F) and a low of 7°C (44°F), from 56 years of daily records (1971–2026).
16°C
Average high
60°F
7°C
Average low
44°F
25°C
Record high
77°F · May 26, 2017
-3°C
Record low
27°F · May 8, 1982
What May Is Like in Dublin
- 9 of the 10 warmest Mays on record in Dublin have come since 2012.
- May in Dublin has become 1.9°C (3.4°F) warmer on average: the 2012–2026 average against 1970–1989.
- May 2026 was the 3rd warmest May in 56 years of records, 2.1°C (3.7°F) above the long-run average.
- The coldest May reading, -3°C (27°F) on May 8, 1982, has not been matched in 44 years.
At least 1 mm of rain falls on 39% of May days, and the month averages 57 mm in total.
Warmest: 2023 (17.7°C)Latest: 2026 (17.7°C)10-year averageLong-run average (15.7°C)
Look Up a Day in May
See the weather in Dublin on any May date, year by year.
Source: NOAA GHCN-Daily, Dublin Phoenix Park (1971–2026). Averages cover 1971–2026. How we compute this