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Best Time to Visit Ireland
Climate based on Dublin • 2015–2024
The best overall weather in Ireland is in July, with average highs around 19°C. The single best 14-day window: Jul 14 - Jul 27. The hottest month is July (19°C highs) and the coolest is January (8°C highs).
Year-at-a-glance heatmap
Each cell is colored by the typical daytime high for that day. Hover for rainfall and sunshine.
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5
10
15
20
25
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Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
- Freezingbelow 0°C
- Very Cold0–5°C
- Cold5–12°C
- Fresh12–18°C
- Comfortable18–25°C
- Warm25–30°C
- Very Warm30–39°C
- Smoking Hot39°C+
Best 14-day travel windows
Top pick
Jul 14 - Jul 27
14-day window • Avg 17°C • Comfortable
Alternative 1
Aug 2 - Aug 15
14-day window • Avg 16°C • Comfortable
Alternative 2
Aug 16 - Aug 29
14-day window • Avg 16°C • Comfortable
Month-by-month breakdown
January
Cold6°Cavg
- 8°C / 4°C
- 63mm total
- 4.1h sun/day
February
Cold7°Cavg
- 9°C / 4°C
- 65mm total
- 5.4h sun/day
March
Cold7°Cavg
- 10°C / 4°C
- 81mm total
- 7.0h sun/day
April
Cold9°Cavg
- 12°C / 6°C
- 61mm total
- 9.2h sun/day
May
Fresh12°Cavg
- 15°C / 9°C
- 66mm total
- 10.9h sun/day
June
Fresh15°Cavg
- 18°C / 12°C
- 72mm total
- 11.4h sun/day
July
Comfortable16°Cavg
- 19°C / 13°C
- 79mm total
- 10.0h sun/day
August
Comfortable16°Cavg
- 19°C / 13°C
- 82mm total
- 9.7h sun/day
September
Fresh14°Cavg
- 17°C / 11°C
- 81mm total
- 8.3h sun/day
October
Fresh12°Cavg
- 14°C / 9°C
- 87mm total
- 6.2h sun/day
November
Cold9°Cavg
- 11°C / 6°C
- 89mm total
- 4.5h sun/day
December
Cold7°Cavg
- 10°C / 5°C
- 93mm total
- 3.3h sun/day
Plan your trip to Ireland
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