Champagne-sur-Oise

Champagne-sur-Oise (, literally Champagne on Oise) is a commune in the Val-d'Oise department in Île-de-France in northern France. Champagne-sur-Oise station has rail connections to Persan, Creil, Pontoise and Paris.

Climate
Champagne-sur-Oise has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Champagne-sur-Oise is 12.0 C. The average annual rainfall is 682.8 mm with December as the wettest month. The temperatures are highest on average in July, at around 19.9 C, and lowest in January, at around 4.8 C. The highest temperature ever recorded in Champagne-sur-Oise was 41.6 C on 25 July 2019; the coldest temperature ever recorded was -12.4 C on 1 January 1997.