high season: May to September
low season: November to March
shoulder season: April, October
Weather InformationIreland has a mild, temperate climate with summer temperatures generally ranging from 60 to 70 degrees. Winter weather drops to between 40 and 50 degrees. Snow is rare, but showers can occur at any time of the year. Spring and fall temperatures typically hover around 50 degrees. Longer days and late sunsets characterize summer.
Crowd InformationThere are the fewest crowds during the winter low season and the most crowds during the summer. Festivals that attract large crowds include the Cork International Film Festival in October, the Galway Races in the summer and fall, the Rose of Tralee Festival in August, Puck Fair in Killorglin in August, and the Ould Lammas Fair in Ballycastle at the end of August.
Closure InformationMany hotels, shops, and other venues remain open year-round. Some sites have limited access during the winter, but visitors can make appointments with managers or owners for viewing. Many places will officially close for public holidays such as New Year's Day (January 1), St. Patrick's Day (March 17), Christmas Day (December 25), St. Stephen's Day (December 26), Easter Monday, and various Bank Holidays in May, June, August, and October; however, most guesthouses and hotels will remain open for business.
When to SaveThe cheapest time to go is during the low season. May through September is the most expensive time to visit.
When to BookAlthough it's possible to find sale fares or rates at any time, it's best to book at least three months in advance.
Information provided by Tourism Ireland