Best time to visit Ireland
The best time to visit Ireland is June to August, when its 3 destinations average 89/100 for climate comfort — December is the weakest month, at 57/100.
Updated September 2026 · averaged over 3 Ireland destinations · climate normals from ERA5 reanalysis
Ireland climate comfort by month
| Month | Comfort | Avg high | Rain | Pick of the month |
|---|---|---|---|---|
| January | 61 | 8.3°C | 62 mm | Cork 62 |
| February | 64 | 9.6°C | 92 mm | Dublin 66 |
| March | 70 | 10.3°C | 86 mm | Cork 72 |
| April | 79 | 12.2°C | 60 mm | Cork 79 |
| May | 85 | 14.9°C | 64 mm | Cork 85 |
| June | 88 | 17.3°C | 75 mm | Cork 89 |
| July | 89 | 18.8°C | 82 mm | Cork 91 |
| August | 86 | 18.8°C | 100 mm | Cork 88 |
| September | 81 | 17.2°C | 94 mm | Cork 82 |
| October | 71 | 13.8°C | 131 mm | Dublin 73 |
| November | 64 | 10.7°C | 88 mm | Cork 66 |
| December | 57 | 8.7°C | 93 mm | Cork 59 |
Comfort is SeasonMap's 0–100 score, averaged across every Ireland destination in the dataset. Each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. Averages from ERA5 reanalysis normals, not forecasts.
All 3 destinations in Ireland
Ireland — FAQ
- When is the best time to visit Ireland?
- June to August. Across Ireland's 3 destinations, July averages 89/100 for climate comfort with mean highs of 18.8°C and 82 mm of rain.
- What is the worst month to visit Ireland?
- December, averaging 57/100 — mean highs of 8.7°C and 93 mm of rain across the country's destinations.
- What is the hottest month in Ireland?
- July, with mean daily highs of 18.8°C averaged across 3 destinations.
- What is the wettest month in Ireland?
- October, averaging 131 mm of rain.