Besain is a commune in the Jura department in the region of Bourgogne-Franche-Comté in eastern France. On average, Besain experiences …Besain is a commune in the Jura department in the region of Bourgogne-Franche-Comté in eastern France. On average, Besain experiences 116.4 days per year with a minimum temperature below 0 °C, 11.2 days per year with a minimum temperature below −10 °C, 9 days per year with a maximum temperature below 0 °C, and 17.2 days per year with a maximum temperature above 30 °C. The record high temperature was 39.5 °C on 25 July 2019, while the record low temperature was −33.0 °C on 2 January 1971.