November in Bolu averages a daily high of 14.1°C with nights around 1.9°C. Expect roughly 9.5 wet days totalling 40.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bolu is June–October.
Based on BOLU, TU (0.6km), 1995–2024. 25 years of November data.