January in Yan’an averages a daily high of 3°C with nights around -10.5°C. Rain is rare — about 2.5 wet days and 4.9mm across the month. A hard month to visit for comfort alone.
Across the year, the best time to visit Yan’an is April–May.
Based on YAN AN, CH (0.8km), 1995–2024. 26 years of January data.