December in Teplice averages a daily high of -0.1°C with nights around -4.4°C. Expect roughly 18 wet days totalling 82.4mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Teplice is June–August.
Based on ZINNWALD GEORGENFELD, GM (11.4km), 1995–2024. 30 years of December data.