Vieu-d'Izenave (French pronunciation: [vjø diznav] ⓘ, literally Vieu of Izenave; Arpitan: Viu-d’Isenâva) is a commune in the Ain department in eastern France.

The average annual temperature in Vieu-d'Izenave is 9.1 °C (48.4 °F).

The average annual rainfall is 1,634.8 mm (64.36 in) with November as the wettest month.

The temperatures are highest on average in July, at around 17.8 °C (64.0 °F), and lowest in January, at around 1.1 °C (34.0 °F).

This Ain geographical article is a stub.