May weather forecast
Dublin, Ireland

The month of May symbolizes the commencement of the warm season within Dublin, with the weather getting noticeably warmer. Temperatures exhibit a comforting increase to a high of around 15.2°C (59.4°F). Despite the warmth, rainfall persists, a remnant of Dublin’s temperate oceanic climate. Leafy parks and scenic natural spaces begin to burst into life, under the increasingly sunlit sky. The rise in the sea temperature marks a shift towards summer, adding a slight warmth to the coastal breeze.

Temperature

With May's arrival, Dublin's weather records an average high-temperature of a refreshing 15.2°C (59.4°F), marking little difference from April's 12.4°C (54.3°F). The average temperature during May nights dips to a frosty 9°C (48.2°F).

Rainfall

In Dublin, in May, during 11 rainfall days, 58mm (2.28") of precipitation is typically accumulated. In Dublin, during the entire year, the rain falls for 128 days and collects up to 714mm (28.11") of precipitation.

Sea temperature

In Dublin, in May, the average water temperature is 10.4°C (50.7°F).
Note: In 10.4°C (50.7°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.

Daylight

In Dublin, the average length of the day in May is 15h and 55min.
On the first day of May in Dublin, Ireland, sunrise is at 5:49 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 5:03 am and sunset at 9:41 pm IST.

Sunshine

With an average of 6.3h of sunshine, May has the most sunshine of the year.

UV index

In May, the average daily maximum UV index in Dublin, Ireland, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, the UV index of 5 transforms into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing.