When to go Val-D'Oise ?
There's no such thing as an off-season here: the Val Parisis conurbation offers a wide variety of events all year round, for every kind of audience! Music festivals and cultural events, exhibitions and other more original propositions (like the fête des vendanges, for example) are just some of the possibilities. In this section, you'll find a month-by-month selection, which is by no means exhaustive, but gives you a good idea of what's on.
The climate of the Val-d'Oise is of a degraded oceanic type, which corresponds to oceanic trends undergoing continental incursions. This obviously means that he perceives a sun that is indeed present, but that he also benefits from frequent rainfall. Temperatures remain steady: 12°C annual average, 5°C in winter and 18°C in summer.