Dublin Weather in August

August weather

Dublin in August feels mild, damp and often cloudy, rather than properly hot. The high is 18°C and the low is 12°C, but rain falls on 17 days, so showers can interrupt a day out. You'll get long daylight, though sunshine is limited.

Walking around Trinity College or along the River Liffey still works well between showers. Keep indoor stops like the National Museum of Ireland in mind for wetter spells. The coast can feel grey and blustery, so don't count on a full day of beach weather.

Events and crowds

The Dublin Horse Show brings show-jumping and other events to the RDS in August. The August bank holiday is another busy time, with many people out enjoying the long weekend. Check event dates before choosing your trip, since they vary.

Summer is a popular time to visit, so central sights and hotels can feel busier and cost more than in quieter months. May to July and September are also good months, but August's school holidays add to the demand.

Making the most of it

For families, Phoenix Park offers room to roam, and you can duck into Dublin Zoo if showers arrive. If you're heading to Howth, the cliff walk is lovely in clear weather, but choose a shorter stroll if the path is wet or windy.

A Dublin-specific tip: take the DART to Howth and check the weather before setting out on the cliff path. The village's seafood restaurants make a cosy fallback if the coast turns grey.