In May, Dublin typically sees daytime highs of 22.4°C and overnight lows around 10.0°C. Compared to the annual average high of 20.7°C, May runs +1.8°C.
May in Dublin averages a daytime high of 22.4°C and an overnight low of 10.0°C.
May runs +1.8°C compared to Dublin's annual average high of 20.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 22.4°C and cooler evenings around 10.0°C.