The climate of Dún Laoghaire in May is humid. An average of 72 mm precipitation is recorded over 19 days. The situation is drier than the previous month: in April, the average recorded is 73 mm over 16 days.
Temperatures are rather cool in Dún Laoghaire in May, but remain tolerable with appropriate clothing. The average maximum temperature reaches 13°C, while the minimum falls to about 9°C. The month's average temperature is 11°C. These normals should be compared with the records recorded in Dún Laoghaire in May: 18°C as a maximum in 2012 and 2°C as a minimum in 2021.
In May, the days last on average 15:53 in Dún Laoghaire. The sun rises around 04:25 and sets around 20:18.
With only fair weather, the month of May is not the best month of the year, but a stay to Dún Laoghaire in Ireland remains possible depending on your priorities.
In May, the most favorable activities in Dún Laoghaire are: Beach and swimming, Hiking and trekking, Cultural visits and heritage, Nature and landscapes, Nightlife, Gastronomy and Boat trip and cruise.
Some activities remain possible even if conditions are not optimal: Animal observation.