Dublin Weather in July 2026
“Mild and bright — an underrated time to visit.”
Roughly 14 rainy days across the month, on average.
July in Dublin peaks the calendar with daytime highs of 19.5C (67.1F) and overnight lows of 13.2C (55.8F), the warmest reliable month of the year. Rainfall totals 77mm across 14.1 days and sunshine settles at 10.3 hours a day. Temple Bar hits maximum tourist saturation, cruise ships fill the port at North Wall, and hotel prices in the city centre run 60 percent above April rates.
The on-ground story is festival overload: Longitude at Marlay Park, All Together Now in Waterford, the Galway International Arts Festival pulling day-trippers, and the school-holiday tour bus fleet clogging Nassau Street. American tour buses swamp Temple Bar in July, which is why locals decamp to Sandycove's Forty Foot or the Portmarnock strand. The Dublin Horse Show at the RDS in the final week competes with the Galway Races for equestrian attention.
Ten-year Met Eireann data shows July highs have climbed nearly 1.2C since 2016, and heatwave days above 25C now occur two to three times per July on average, up from one every other year in the early 2010s. For 2026, ECMWF seasonal models lean warmer than normal with an active jet stream, meaning classic Irish July: three warm days, one thunderous washout, repeat. Sea temperatures in Dublin Bay finally hit 15-16C, tolerable if you commit.
Travelers coming to Dublin in July 2026 should book six months ahead and expect Grafton Street footpaths to move slower than the Luas. The upside is genuine outdoor city usage: rooftop bars at the Marker, the Guinness Storehouse and Dean Hotel, kayak tours on the Liffey, and open-air Shakespeare at St Stephen's Green. If flexibility exists, aim for the last week when Dublin Horse Show energy replaces general tourist chaos in 2026.
Real Dubliners drink in the Stoneybatter triangle around Mulligan Grocers, not Temple Bar which locals call 'the tax on tourists.' The 46A bus to Dun Laoghaire beats any tour to see Joyce's Martello tower. Coppers nightclub on Harcourt Street is where nurses and gardai marry each other after 3am shifts. Boxty and coddle are winter-only; smoked mackerel from Cavistons in Glasthule is the summer move.
What to pack for Dublin in July
July in Dublin runs mild-summer with unreliable sun, so light layers plus wet-weather backup. A packable windproof shell rated for 40mph gusts because Dublin's rain moves sideways off the Irish Sea:
- Breathable t-shirts and one long-sleeve shirt for cool evenings
- Light waterproof jacket for the daily 20-minute downpour
- Shorts and one pair of chinos for restaurant dress codes
- Comfortable trainers rather than sandals; showers make cobbles slick
- Sun hat and SPF 30, the July latitude sun is stronger than expected
What to pack for Dublin in July
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Where to stay in Dublin
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Things worth doing
Longitude Festival at Marlay Park, Dublin Horse Show at the RDS, kayak tour on the Liffey, Forty Foot swim, Marker Hotel rooftop, cliff walk from Bray to Greystones, Malahide Castle summer picnic, day trip to Kilkenny or the Boyne Valley.
July vs. the rest of the year
How this month compares in Dublin. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Dublin
July is one of the best months to visit Dublin — alongside May, June, August. 11-year climate data (2015–2025) confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for DublinOther places with a similar climate right now
Dublin in July — FAQ
Q01Should I visit Dublin in July?
Should I visit Dublin in July?
Yes — it is a good time to visit, with pleasant, comfortable weather. In July, Dublin averages a high of 20°C (67°F) and a low of 13°C (56°F), with 77mm of rainfall across roughly 14 rainy days. May-June catches the Liffey Boardwalk in daylight until 10pm plus Bloomsday on June 16, before American tour buses swamp Temple Bar in July.
Q02What temperatures should I expect in Dublin during July?
What temperatures should I expect in Dublin during July?
The average high temperature in Dublin during July is 20°C (67°F), with an average low of 13°C (56°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive). Rare 25C days push Dubliners to Sandycove's Forty Foot swim spot; offices empty by 3pm and pub gardens on Camden Street overflow.
Q03Is July a rainy month in Dublin?
Is July a rainy month in Dublin?
Dublin averages approximately 14 rainy days in July, with a total monthly rainfall of about 77mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04How should I dress for Dublin in July?
How should I dress for Dublin in July?
For Dublin in July, pack layered clothing for changing temperatures, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month. A packable windproof shell rated for 40mph gusts because Dublin's rain moves sideways off the Irish Sea.
Q05Is July a busy travel month for Dublin?
Is July a busy travel month for Dublin?
Tourist crowds in Dublin during July are typically moderate. Consider this when planning accommodation — prices track crowd levels closely. Real Dubliners drink in the Stoneybatter triangle around Mulligan Grocers, not Temple Bar which locals call 'the tax on tourists.' The 46A bus to Dun Laoghaire beats any tour to see Joyce's Martello tower. Coppers nightclub on Harcourt Street is where nurses and gardai marry each other after 3am shifts. Boxty and coddle are winter-only; smoked mackerel from Cavistons in Glasthule is the summer move.