Saint-Witz () is a commune in the Val-d'Oise department in ÃÂle-de-France in northern France.
Saint-Witz has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Saint-Witz 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 Saint-Witz was on 25 July 2019; the coldest temperature ever recorded was on 7 January 2009.
Public secondary schools:
Collège Institut Paul Ricoeur/Lycée Institut Paul RICOEUR is in nearby Louvres.
Institut Saint-Dominique, a private Catholic preschool through senior high, is in nearby Mortefontaine, Oise.