December in Ganja averages a daily high of 9.3°C. Rain is rare — about 1.8 wet days and 0.7mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ganja is April–May.
Based on GANCA, AJ (6.1km), 1995–2024. 17 years of December data.