Festival and marathon weather in Ireland
3 festivals and races in Ireland with at least 10 dated editions since 1991, with the weather of every past edition from ERA5 (1991–2025).
Data updated: 2 November 2026 · Sources, licences and data
Calculated 3 November 2026 · weather: ERA5 1991–2025 · edition dates checked 2 November 2026
Music festivals
| Event | Country | Usual dates | Rain on ≥ 1 day | Day ≥ 30 °C | Editions |
|---|
| Electric PicnicIreland | Ireland | 1–3 September | 58% | 0% | 19 |
City and folk festivals
| Event | Country | Usual dates | Share of rainy days | Day ≥ 30 °C | Editions |
|---|
| Bloomsday (Dublin)Ireland | Ireland | 16 June | 36% | 0% | 33 |
Marathons and half marathons
| Event | Country | Usual dates | Avg at 9:00 | Rain in race hours | Editions |
|---|
| Dublin MarathonIreland | Ireland | 28 October | 10 °C | 18% | 33 |
Climate, not a forecast: these are statistics of past weather, not a forecast for the next edition.
How we calculate