Cogolin is a commune in the Var department in the Provence-Alpes-Côte d'Azur region in southeastern France. Cogolin has a hot-summer Me…Cogolin is a commune in the Var department in the Provence-Alpes-Côte d'Azur region in southeastern France. Cogolin has a hot-summer Mediterranean climate. The average annual temperature in Cogolin is 15.6 °C. The average annual rainfall is 958.0 mm with November as the wettest month. The temperatures are highest on average in August, at around 24.3 °C, and lowest in January, at around 8.1 °C. The highest temperature ever recorded in Cogolin was 41.0 °C on 6 August 2003; the coldest temperature ever recorded was −9.5 °C on 30 December 2005.