January in Semey averages a daily high of -10.5°C with nights around -20.5°C. Expect roughly 9.1 wet days totalling 16.3mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Semey is August–September.
Based on SEMEJ, KZ (3.6km), 1995–2024. 22 years of January data.