high season: June to August
low season: mid-November to February
shoulder season: September to mid--November, March to May
Weather InformationDublin experiences a mild, temperate climate. Summer can be warm, with average highs ranging from 60 to 70 degrees. Spring and fall see averages of 49 degrees, while winter temperatures drop to between 37 and 47 degrees. Rain can occur anytime of the year, but snow is rare.
Crowd InformationSummer is the busiest time for Dublin, but festivals throughout the year attract crowds as well, including St. Patrick's Day and Feis Ceoil in March, and the Failte Ireland Dublin Horse Show in August.
Closure InformationMost hotels, shops, and attractions remain open throughout the year, except for the holiday season in December. Many hotels may also close for New Year's Eve. Establishments are not legally allowed to sell liquor on Good Friday or Christmas Day.
When to SaveThe least expensive time to visit Dublin is from September through May, when you will find discounts on airfare, hotels, and packages. Summer tends to be the most expensive time.
Information provided by Tourism Ireland