When to Ireland
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January is one of Ireland's coldest months with short daylight hours and cool, damp conditions. The weather is often overcast with frequent drizzle, though snow is relatively rare except in higher elevations. This is low season for tourism, offering quiet streets and lower prices, but limited daylight for sightseeing.
February
February remains cool and damp with gradually lengthening days as winter transitions toward spring. The weather is similar to January with overcast skies and occasional bright spells. Early spring flowers begin to appear, and it's an excellent time for budget travelers seeking authentic Irish experiences without crowds.
March
March marks the beginning of spring with slightly warmer temperatures and noticeably longer days. St. Patrick's Day on March 17th brings festivals and celebrations throughout the country, increasing visitor numbers mid-month. The countryside begins to green up, though weather remains changeable with cool breezes.
April
April brings milder spring weather with blooming flowers and increasingly green landscapes across the countryside. Temperatures become more comfortable for outdoor exploration, though layers are still essential. Tourist numbers begin to increase as Easter holidays approach, but attractions remain relatively uncrowded.
May
May is one of Ireland's most pleasant months with warming temperatures, longer daylight hours, and busy spring scenery. The countryside is lush and green with wildflowers in bloom, making it ideal for scenic drives and hiking. Tourist season begins picking up, but crowds are manageable compared to summer peak.
June
June offers some of Ireland's best weather with warm temperatures and the longest days of the year, including extended twilight hours. The landscape is at peak greenness, and outdoor festivals begin throughout the country. Tourist numbers increase significantly as summer vacation season begins, particularly in popular destinations.
July
July is Ireland's warmest month and peak tourist season with the highest temperatures and maximum daylight hours. Festivals, outdoor events, and cultural celebrations are abundant across the country. Popular attractions, accommodations, and rental cars should be booked well in advance due to high visitor numbers.
August
August maintains July's warm temperatures and continues the peak tourist season with families on summer holidays. The weather remains ideal for outdoor activities, coastal visits, and festivals. Crowds are at their highest, particularly at major attractions like the Cliffs Of Moher, Ring Of Kerry, and Dublin's historic sites.
September
September is an excellent shoulder season month with still-pleasant temperatures and decreasing crowds as schools resume. The weather remains relatively mild and stable, making it ideal for touring without peak season congestion. Early autumn colors begin to appear in the countryside, adding scenic variety.
October
October brings autumn weather with cooler temperatures and beautiful fall foliage across Ireland's forests and countryside. Days become noticeably shorter, and the weather grows more unpredictable with increased wind. Tourist numbers decline significantly, offering better rates and a more authentic local experience.
November
November marks the transition to winter with shorter days, cooler temperatures, and increasingly damp conditions. The landscape takes on muted autumn tones, and many outdoor attractions have reduced hours. This is firmly off-season with minimal tourists, making it ideal for budget travelers and those seeking solitude.
December
December brings winter weather with the shortest days of the year and cool, damp conditions throughout the country. Christmas markets, festive decorations, and holiday celebrations create a cozy atmosphere in cities and towns. Tourist numbers are low except around Christmas week, and many attractions have limited winter hours.