August in Kastamonu averages a daily high of 29.1°C with nights around 13.2°C. Expect roughly 5.7 wet days totalling 46.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Kastamonu is July–October.
Based on KASTAMONU, TU (1.4km), 1995–2024. 20 years of August data.