Spring in Ireland - roughly March to May by the standard calendar - brings mild temperatures, real seasonal colour, and a genuinely useful off-peak window for visitors.
When Spring Starts
By the meteorological calendar (and standard UK/US convention), spring begins on 1 March. By Gaelic tradition, it begins earlier, on 1 February - Imbolc (from the old Gaelic “imbolc,” roughly “in the belly”).
Weather

March averages around 10°C (50°F); April runs roughly 5-11°C. Layering - base layers, waterproofs, and lighter pieces for sunnier spells - covers Ireland’s genuinely changeable spring weather better than committing to one forecast.
St Patrick’s Day

Dublin’s parade has been a tradition since 1931 (the first state-sponsored parade, held nine years after Irish independence). Beyond the parade itself, expect céilí music, traditional food, and - for those who want it - a pint of green-tinted beer.
Lambing Season

Spring coincides with lambing across the Irish countryside, with some farms offering visitor tours, sheepdog demonstrations, and related family activities.
Gardens and Wildflowers
Powerscourt Estate is a well-known spring garden destination, with cherry blossoms, magnolias, and seasonal flowers through spring into early summer. Irish country roads are lined with wildflowers through the season - bluebells, hawthorn, primrose, foxglove, and buttercups among the most common.
Off-Season Advantages

Spring sits ahead of the busier summer season, generally meaning fewer crowds at popular sites and better availability (and sometimes pricing) on accommodation.
Easter
Easter traditions across Ireland include the clúdóg egg-and-potato-collecting custom in some areas, alongside a traditional Easter meal of roast lamb, new potatoes, and spring vegetables.
Frequently Asked Questions
Is spring a good time to visit Ireland? Yes - mild temperatures, fewer crowds than summer, and genuine seasonal colour make it a strong option.
What is the first day of spring in the Irish tradition? 1 February, known as Imbolc.
What months make up spring in Ireland? March-May by the standard calendar; the Gaelic tradition starts a month earlier, in February.




