Dublin in July

When to go

Visit Dublin's guide for first-time visitors says Dublin is not a city of extreme temperatures and that the weather is warmer from May to September, while Met Éireann's Dublin Airport averages in the facts give July's typical highs, lows and rainfall. Visit Dublin's festivals guide lists Longitude at Marlay Park and the Flavours of Fingal Country Show under July and points to its full events list for the latest information, so check that list before you fix your dates.

Trip facts

• Met Éireann's Dublin Airport 1991–2020 averages list a mean daily max of 19.5 and a mean daily min of 11.3 degrees Celsius for July. (www.met.ie, checked 2026-10-15)
• Met Éireann's Dublin Airport 1991–2020 averages list a mean monthly rainfall total of 61 mm for July and a mean of 11.6 days with 1.0 mm or more. (www.met.ie, checked 2026-10-15)
• Visit Dublin's guide for first-time visitors says Dublin isn't a city of extreme temperatures, and that from May to September the weather is warmer and there's plenty happening in the city, from outdoor gigs to special events. (www.visitdublin.com, checked 2026-10-15)
• Visit Dublin's festivals guide lists Longitude at Marlay Park and the Flavours of Fingal Country Show at Newbridge House and Farm under July, and points to its full list of festivals and events for the most up-to-date information. (www.visitdublin.com, checked 2026-10-15)
• Citizens Information, the Citizens Information Board's public information site, says you do not need a visa to land in Ireland if you are a citizen of a country in its table, and the table lists the United States of America. (www.citizensinformation.ie, checked 2026-10-15)
• Citizens Information says you get permission to enter Ireland from an immigration officer at the airport or ferry port where you enter, and that Ireland is not part of the Schengen Area. (www.citizensinformation.ie, checked 2026-10-15)
• Dublin Airport's FAQ says most direct flights to the U.S. departing from Terminal 2 include U.S. Preclearance, but not all flights offer this option, so passengers should check with their airline to confirm whether Preclearance applies to their specific flight. (www.dublinairport.com, checked 2026-10-15)
• The Luas website says that with a TFI Leap Card you must tap on before and tap off after your journey at the Luas Stop, including when your journey on Luas is after a journey on another mode. (www.luas.ie, checked 2026-10-15)
• Visit Dublin's traveller information page lists Dublin's currency as Euro, plugs as a three-prong outlet and electricity as 230v/50Hz. (www.visitdublin.com, checked 2026-10-15)
• Visit Dublin's guide for first-time visitors says that outside the city centre you can find hotels in places like Ballsbridge, Donnybrook and the Liberties, which are easy to reach on foot or by bus, DART and Luas, and that there are more traditional B&Bs in the northern suburb of Drumcondra. (www.visitdublin.com, checked 2026-10-15)