Dublin Weather in May

Thinking of visiting Dublin in May? Expect moderate temperatures reaching 16°C (61°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Dublin in May

You can typically expect 16 days of rain this month, averaging around 67 mm (2.6 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Dublin in May

May in Dublin brings moderate temperatures, with highs of 16°C (61°F) and nights around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Dublin in May

With about 188 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Dublin in May

In May, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in May

With water temperatures around 10°C (50°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.