Montfort-sur-Argens (French pronunciation: [mɔ̃fɔʁ syʁ aʁʒɑ̃(s)], literally Montfort on Argens; Occitan: Montfòrt d'Argenç) is a commune in the Var department in the Provence-Alpes-Côte d'Azur region in southeastern France.

The average annual temperature in Montfort-sur-Argens is 14.7 °C (58.5 °F).

The average annual rainfall is 789.3 mm (31.07 in) with November as the wettest month.

The temperatures are highest on average in July, at around 23.8 °C (74.8 °F), and lowest in January, at around 6.9 °C (44.4 °F).

This Var geographical article is a stub.