City and folk festivals
11 large city and folk festivals in Europe with at least 10 dated editions since 1991, with the share of rainy festival days from ERA5 (1991–2025); the driest is San Fermín (16% of days with rain).
| Event | Country | Usual dates | Share of rainy days | Day ≥ 30 °C | Editions |
|---|---|---|---|---|---|
| Basel Carnival (Basler Fasnacht)Switzerland | Switzerland | 27 February – 1 March | 48% | 0% | 33 |
| Bloomsday (Dublin)Ireland | Ireland | 16 June | 36% | 0% | 33 |
| Carnival of BincheBelgium | Belgium | 19–21 February | 41% | 0% | 33 |
| Cologne Carnival (street carnival)Germany | Germany | 16–21 February | 42% | 0% | 33 |
| Falles (Fallas of Valencia)Spain | Spain | 14–19 March | 17% | 0% | 33 |
| Kiel WeekGermany | Germany | 19–27 June | 46% | 6% | 33 |
| La TomatinaSpain | Spain | 28 August | 18% | 61% | 33 |
| Notting Hill CarnivalUnited Kingdom | United Kingdom | 27–28 August | 21% | 3% | 33 |
| OktoberfestGermany | Germany | 19 September – 4 October | 41% | 3% | 30 |
| San FermínSpain | Spain | 6–14 July | 16% | 79% | 33 |
| Street Parade (Zürich)Switzerland | Switzerland | 11 August | 39% | 14% | 28 |
Climate, not a forecast: these are statistics of past weather, not a forecast for the next edition.