Dublin Weather in March 2026
“A steady middle month — well worth visiting with the right expectations.”
Roughly 14 rainy days across the month, on average.
March in Dublin lifts daytime highs to 10.3C (50.5F) with overnight lows around 4.6C (40.3F). Rain climbs slightly to 77mm across 13.9 days as spring depressions roll in, but sunshine jumps to 7.2 hours a day and clocks spring forward on the last Sunday, unlocking evening light until nearly 8pm. Cherry blossoms line the canals by mid-month and the parks turn genuinely usable again.
On the ground, March means St Patrick's Day and nothing else competes: the parade on the 17th pulls 500,000 spectators along O'Connell Street, and the four-day festival transforms Merrion Square into a green-lit stage. Hotel rates around Temple Bar spike four to five times normal for that week. Locals often flee the city centre, escaping to Wicklow hikes or the Cliff Walk between Bray and Greystones once the tour buses reclaim the streets.
Ten-year records show March warming by about 0.5C and a distinct shift toward wetter early springs, with more 20mm-plus daily rain events since 2018. For 2026, the parade is on a Tuesday, which extends the party across two weekends and stresses accommodation from March 13 through March 22. Expect changeable conditions with a genuine chance of both 16C sunshine and horizontal sleet inside a single day.
Travelers heading to Dublin in March 2026 should either commit to St Patrick's week and book by October 2025, or aim for the calmer final week when Easter timing pushes crowds back. Beyond the parade, the Six Nations often closes here in March with a decider fixture, the National Botanic Gardens reopens its glasshouses, and Glasnevin Cemetery tours run daily. Layer for four seasons an hour and plan indoor backups for every outdoor booking 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 March
March in Dublin swings from spring sun to sleet inside an afternoon, so versatile layers matter. A packable windproof shell rated for 40mph gusts because Dublin's rain moves sideways off the Irish Sea:
- Lightweight waterproof jacket with a proper hood
- Fleece or long-sleeve merino that packs into a bag
- Waterproof walking shoes rather than trainers for parade routes
- Sunglasses; the low March sun off wet pavement is genuinely blinding
- Something green to wear on the 17th, even a cheap Penneys scarf
What to pack for Dublin in March
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Where to stay in Dublin
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Shoulder-season pricing — a balance of price and conditions. Rule-based estimates from a couple based in London — actual prices vary.
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Things worth doing
St Patrick's Day parade on O'Connell Street, Festival ceili at Merrion Square, Wicklow Mountains day trip, National Botanic Gardens glasshouses, Bray to Greystones Cliff Walk, Guinness Storehouse late slot, Irish Rock and Roll Museum in Temple Bar Studios, hot whiskey at Grogan's.
March 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
While March has its own character in Dublin, the data-backed best months to visit Dublin are May, June, July, August. These months combine the most favourable temperatures, rainfall, and sunshine across an 11-year climate record (2015–2025).
See the full best-time-to-visit guide for DublinOther places with a similar climate right now
Dublin in March — FAQ
Q01Should I visit Dublin in March?
Should I visit Dublin in March?
It is a fair time to visit — expect variable conditions and plan flexibility. In March, Dublin averages a high of 10°C (51°F) and a low of 5°C (40°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 March?
What temperatures should I expect in Dublin during March?
The average high temperature in Dublin during March is 10°C (51°F), with an average low of 5°C (40°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).
Q03Is March a rainy month in Dublin?
Is March a rainy month in Dublin?
Dublin averages approximately 14 rainy days in March, 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 March?
How should I dress for Dublin in March?
For Dublin in March, pack a warm winter coat, a merino base layer for evenings, 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 March a busy travel month for Dublin?
Is March a busy travel month for Dublin?
Tourist crowds in Dublin during March 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.