VacationSage
The year at a glance
ExcellentGoodFairPoor Click a month to compare destinations.
The short answer
Go in June–August. The least comfortable stretch is October–April.
- Warmest month: July, average high 21°C (69°F).
- Coolest month: January, average high 8°C (47°F), lows near 2°C (36°F).
- Wettest month: November, about 82 mm (3.2 in) of rain.
- Driest month: March, about 45 mm (1.8 in).
Quick facts
- Currency
- Irish euro coin, euro
- Language
- English, Irish
- Plugs
- Type G
- Drives on the
- left
- Calling code
- +353
- Airports
- Dublin Airport (DUB)
- Population
- 592,713
Temperature and rain through the year
Average highAverage lowRain (mm, right axis)
Top sights in Dublin
- Dublin Castle castle
- St Patrick's Cathedral cathedral in Dublin, Ireland
- National Library of Ireland heritage institution
- Leinster House building housing the parliament of Ireland
- Phoenix Park park in Dublin, Ireland
- National Gallery of Ireland art museum in Dublin
- Christ Church Cathedral, Dublin Diocesan cathedral of Dublin and Glendalough, Church of Ireland
- Dublin Bay inlet of the Irish Sea in Ireland
Ranked by how widely each place is covered across Wikipedia's language editions, a rough measure of fame rather than a recommendation.
UNESCO World Heritage nearby
Travel advisories
United States
Level 1 Exercise Normal Precautions
Read the full advisory at travel.state.gov
Checked 2026-11-02.
United Kingdom
No FCDO warning against travel to any part of Ireland.
Latest change (2026-10-07): Addition of information about ID requirements for travel between the UK and Ireland under the Common Travel Area (‘Entry requirements’ page).
Checked 2026-11-02.
Advisories are summarised from official sources and can change quickly; always read the source before you travel.
Month by month
| Month | Score | High | Low | Rain | Cloud | Dew point | Daylight |
|---|---|---|---|---|---|---|---|
| January | 1.0 Poor | 8°C 47°F | 2°C 36°F | 57 mm 2.3 in | 51% | 4°C39°F dry | 7.8 h |
| February | 1.7 Poor | 9°C 49°F | 2°C 36°F | 51 mm 2.0 in | 50% | 4°C39°F dry | 9.5 h |
| March | 2.9 Poor | 11°C 52°F | 4°C 38°F | 45 mm 1.8 in | 50% | 4°C39°F dry | 11.5 h |
| April | 4.2 Poor | 13°C 56°F | 5°C 41°F | 52 mm 2.1 in | 45% | 5°C42°F dry | 13.7 h |
| May | 6.1 Fair | 16°C 61°F | 7°C 45°F | 51 mm 2.0 in | 42% | 8°C47°F dry | 15.6 h |
| June | 7.4 Good | 19°C 66°F | 10°C 50°F | 60 mm 2.4 in | 47% | 11°C52°F comfortable | 16.7 h |
| July | 8.4 Excellent | 21°C 69°F | 12°C 53°F | 62 mm 2.4 in | 47% | 12°C54°F comfortable | 16.3 h |
| August | 7.9 Good | 20°C 68°F | 12°C 53°F | 74 mm 2.9 in | 47% | 13°C55°F comfortable | 14.6 h |
| September | 6.8 Good | 18°C 65°F | 10°C 49°F | 64 mm 2.5 in | 46% | 11°C52°F comfortable | 12.4 h |
| October | 4.4 Poor | 14°C 58°F | 7°C 45°F | 77 mm 3.0 in | 48% | 8°C47°F dry | 10.2 h |
| November | 2.1 Poor | 11°C 52°F | 4°C 40°F | 82 mm 3.2 in | 50% | 7°C45°F dry | 8.3 h |
| December | 1.1 Poor | 9°C 48°F | 3°C 37°F | 70 mm 2.8 in | 50% | 4°C39°F dry | 7.3 h |
Public holidays in the next 12 months
Holidays can mean closures, festivals and busier transport. National public holidays for Ireland; school holidays are not included.
- December 2026
- Christmas Day
- Saint Stephen's Day
- January 2027
- New Year's Day
- February 2027
- Saint Brigid's Day
- March 2027
- Saint Patrick's Day
- Easter Monday
- May 2027
- May Day
- June 2027
- June Bank Holiday
- August 2027
- August Bank Holiday
- October 2027
- October Bank Holiday
More in Europe
Temperature, rain and dew point are 1991–2020 averages from a ~4 km climate grid; cloud cover is a 1981–2010 average. Recent years run warmer in most places, and a single trip can differ a lot. How this is calculated.