December in Liepāja averages a daily high of 3.1°C with nights around -0.9°C. Expect roughly 20.5 wet days totalling 87.9mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Liepāja is June–September.
Based on LIEPAJA, LG (2.4km), 1995–2024. 16 years of December data.