Summer Time 2025 Ireland Events. Need a reason to visit ireland in 2025? From food and music festivals, to sculpture trails, sailing events, outdoor adventures, science extravaganzas and scare attractions, make this a year to remember by adding some of these top festivals and events to your 2025 calendar!

October 21st and 22nd, sse. However, summer brings settled weather, long daylight hours and plenty of fun festivals, concerts and events.