October in Gyumri averages a daily high of 13.8°C with nights around 2.1°C. Expect roughly 5.6 wet days totalling 36.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gyumri is June–September.
Based on AMASIA, AM (1.6km), 1995–2024. 20 years of October data.