December in Kaspiysk averages a daily high of 6.3°C with nights around -0.1°C. Expect roughly 9.1 wet days totalling 36.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Kaspiysk is May–July.
Based on MAHACKALA, RS (11.9km), 1995–2024. 23 years of December data.