Champagne-sur-Oise (; '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 (at Gare du Nord).
Geography Champagne-sur-Oise is on the departmental border with Oise at Chambly.
Climate Champagne-sur-Oise has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Champagne-sur-Oise is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in July, at around , and lowest in January, at around . The highest temperature ever recorded in Champagne-sur-Oise was on 25 July 2019; the coldest temperature ever recorded was on 1 January 1997.
Population
See also Communes of the Val-d'Oise department
References
External links
Official website
Association of Mayors of the Val d'Oise