October in Semey averages a daily high of 12.2°C with nights around 0°C. Expect roughly 6.6 wet days totalling 17.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Semey is August–September.
Based on SEMEJ, KZ (3.6km), 1995–2024. 29 years of October data.