Best time to visit
Best Time to Visit Dublin
Ireland's compact, walkable capital, built along the River Liffey, known for its literary history, Georgian architecture, and pub culture. It has produced a disproportionate number of major writers, and that literary heritage runs through much of the city.
Best time to visit: May to September for the mildest, driest weather — though Dublin's weather is changeable year-round.
Local tip: Book Book of Kells and Guinness Storehouse tickets online ahead of time — both are popular enough to have queues without a timed slot.
Getting around: Central Dublin is compact and easily walkable, with buses, trams (Luas), and a coastal rail line (DART) covering trips further out.
Good to know: Temple Bar is popular with visitors but noticeably pricier than pubs just a few streets away — locals often recommend wandering slightly further for better value.
What to plan your trip around
- Trinity College & Book of Kells
Ireland's oldest university, home to the illuminated medieval manuscript and the Long Room library.
- Guinness Storehouse
A multi-floor exhibition on Ireland's best-known beer, topped with a rooftop bar and city views.
- Temple Bar
A lively riverside district of pubs, live music, and cobbled streets.
- Kilmainham Gaol
A former prison central to Irish independence history, now a museum offering guided tours.
Dublin weather by month
Dublin weather by month
Average temperatures and rainfall Dublin gets in each month (2011–2020). Tap a month for the full breakdown.
| Month | High | Low | Rain | Humidity |
|---|---|---|---|---|
| January | 8°C | 4°C | 86 mm | 91% |
| February | 8°C | 4°C | 82 mm | 90% |
| March | 9°C | 4°C | 73 mm | 88% |
| April | 11°C | 6°C | 58 mm | 86% |
| May | 14°C | 8°C | 61 mm | 84% |
| June | 16°C | 11°C | 82 mm | 84% |
| July | 18°C | 12°C | 71 mm | 85% |
| August | 18°C | 12°C | 96 mm | 86% |
| September | 16°C | 11°C | 82 mm | 87% |
| October | 13°C | 9°C | 97 mm | 88% |
| November | 10°C | 7°C | 107 mm | 90% |
| December | 9°C | 5°C | 111 mm | 92% |
Dublin through the year
January · 8° / 4°C · 86 mm
- It's one of the greyest months, with cloud cover near 80%.
- Days and nights are close, only about 4°C apart.
April · 11° / 6°C · 58 mm
- Comfortable temperatures make it easy to walk between Temple Bar and Trinity College & Book of Kells.
- There's little difference between day and night (around 5°C).
July · 18° / 12°C · 71 mm
- Dublin is usually about 2°C warmer than Sligo, 180 km away, in July.
- Good walking weather for combining Kilmainham Gaol and Trinity College & Book of Kells in one day.
October · 13° / 9°C · 97 mm
- Check the hourly forecast before heading to Trinity College & Book of Kells — showers are likely.
- There's little difference between day and night (around 4°C).
The best time to visit Dublin is June, July and September, when average highs are 16–18°C and rainfall is around 78 mm a month.
At a glance
When to go to Dublin, season by season
December – February
Cold8° / 4°C · 93 mm
Cool to cold days. Fine for museums and city breaks, less so for the beach.
March – May
Cold11° / 6°C · 64 mm
Cool to cold days. Fine for museums and city breaks, less so for the beach.
June – August
Best time17° / 12°C · 83 mm
Pleasant temperatures and relatively little rain: the best window for sightseeing and time outdoors.
Frequently asked questions
- When is the best time to visit Dublin?
- For pleasant, fairly dry weather, go to Dublin in June, July and September. Average highs are then 16–18°C.
- Why is June a good time to visit Dublin?
- In June, Dublin averages 16°C by day and 11°C at night, with about 82 mm of rain and 76% cloud cover: warm enough to be outdoors without the peak heat or the wettest weather.
- What is the warmest month in Dublin?
- July is the warmest month in Dublin, with average highs of 18°C and lows of 12°C.
- What is the coldest month in Dublin?
- January is the coldest month in Dublin: average highs of 8°C, dropping to 4°C at night.
- When does it rain the most in Dublin?
- December is the wettest month in Dublin with about 111 mm of rain. The driest is April, with around 58 mm.
- When is the worst time to visit Dublin?
- January is the least pleasant month in Dublin, with average highs of just 8°C. It's still fine for museums and fewer crowds.
- Is the shoulder season a good time to visit Dublin?
- Yes. May sits just outside the best months for Dublin, with average highs of 14°C and about 61 mm of rain a month. Weather-wise, it is a good alternative to the peak months.
- How can I check the weather in Dublin before I travel?
- Compare the live forecast for Dublin from three independent weather services on WeatherCompare. When they agree, the forecast is more reliable.
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Best time to visit Dublin. WeatherCompare, 2026 (climate averages: NASA POWER / ERA5, 2011–2020). https://weathercompare.eu/guides/best-time-to-visit/ireland/dublin
<a href="https://weathercompare.eu/guides/best-time-to-visit/ireland/dublin">Best time to visit Dublin</a> (WeatherCompare)
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