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Best Time to Visit Ireland

Climate based on Dublin20152024

The best overall time to visit Ireland is July (good, score 71/100). The single best 14-day window: Jul 9 – Jul 22. Avoid December if you can — it scores lowest at 30/100.

Year-at-a-glance heatmap

Each cell shows a daily "visit suitability" score combining comfort (temperature), dryness (rainfall), and sunshine. Hover for details.

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Less suitable
More suitable

Best 14-day travel windows

Top pick
Jul 9 – Jul 22
14-day window • Score 74/100
Alternative 1
Aug 1 – Aug 14
14-day window • Score 71/100
Alternative 2
Jun 22 – Jul 5
14-day window • Score 68/100

Month-by-month breakdown

January

Poor
33/100
  • 8°C / 4°C
  • 63mm total
  • 4.1h sun/day

February

Poor
35/100
  • 9°C / 4°C
  • 65mm total
  • 5.4h sun/day

March

Poor
38/100
  • 10°C / 4°C
  • 81mm total
  • 7.0h sun/day

April

Fair
45/100
  • 12°C / 6°C
  • 61mm total
  • 9.2h sun/day

May

Fair
53/100
  • 15°C / 9°C
  • 66mm total
  • 10.9h sun/day

June

Good
64/100
  • 18°C / 12°C
  • 72mm total
  • 11.4h sun/day

July

Good
71/100
  • 19°C / 13°C
  • 79mm total
  • 10.0h sun/day

August

Good
68/100
  • 19°C / 13°C
  • 82mm total
  • 9.7h sun/day

September

Fair
58/100
  • 17°C / 11°C
  • 81mm total
  • 8.3h sun/day

October

Poor
44/100
  • 14°C / 9°C
  • 87mm total
  • 6.2h sun/day

November

Poor
34/100
  • 11°C / 6°C
  • 89mm total
  • 4.5h sun/day

December

Poor
30/100
  • 10°C / 5°C
  • 93mm total
  • 3.3h sun/day

Plan your trip to Ireland

Found your dates? Use TimeOffCalendar to line up the trip with your time off, public holidays, and your partner's schedule. Free for one person, forever.

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Climate data from Open-Meteo Archive API. Daily normals computed from 10 years of historical observations.
Best Time to Visit Ireland (2026): Month-by-Month Weather Calendar