December in Aïn Oulmene averages a daily high of 12°C with nights around 0.8°C. Expect roughly 9.9 wet days totalling 41mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Aïn Oulmene is April–May.
Based on SETIF AIN ARNAT, AG (28.5km), 1995–2024. 11 years of December data.