In June, Kastamonu typically sees daytime highs of 22.9°C and overnight lows around 10.8°C. Compared to the annual average high of 15.4°C, June runs +7.4°C.
June in Kastamonu averages a daytime high of 22.9°C and an overnight low of 10.8°C.
June runs +7.4°C compared to Kastamonu's annual average high of 15.4°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 22.9°C and cooler evenings around 10.8°C.