Valromey-sur-Séran (French pronunciation: [valʁɔmɛ syʁ seʁɑ̃]) is a commune in the Ain department in eastern France.

[3] The municipality was established on 1 January 2019 by merger of the former communes of Belmont-Luthézieu, Lompnieu, Sutrieu and Vieu.

The average annual rainfall is 1,413.2 mm (55.64 in) with December as the wettest month.

The temperatures are highest on average in July, at around 18.3 °C (64.9 °F), and lowest in January, at around 0.8 °C (33.4 °F).

This Ain geographical article is a stub.