December in Uşak averages a daily high of 9.2°C with nights around -1.4°C. Expect roughly 11 wet days totalling 68.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Uşak is May–June.
Based on USAK, TU (1.2km), 1995–2024. 16 years of December data.