May in Ireland typically offers a transition from spring to summer, characterized by milder temperatures, increased sunshine, and reduced rainfall compared to the preceding months. Average daytime temperatures generally range between 11C and 15C (52F and 59F), although warmer days exceeding 18C (64F) are certainly possible. Nights remain cool, with temperatures often dipping to between 5C and 9C (41F and 48F). Rainfall averages around 60-80mm across the country, distributed relatively evenly throughout the month.
Understanding Ireland’s climate in May is crucial for travelers planning trips during this period. Packing layers of clothing is advisable to accommodate fluctuating temperatures. The lengthening daylight hours offer ample opportunity for outdoor activities, making it a popular time for exploring the country’s natural beauty, historical sites, and vibrant cities. Historically, May marked the beginning of the summer season in the traditional Irish calendar and was associated with various agricultural and cultural practices.