January in Ganja averages a daily high of 8.6°C. Rain is rare — about 2.1 wet days and 2.3mm 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. 14 years of January data.