Winters in Bremerton are cool and occasionally frigid, with temperatures often below freezing from January to March. Spring brings a gradual warming trend, with April and May averaging mild highs of around 20-27°C. Summer is warm but not hot, with July and August temperatures rarely exceeding 30°C. As autumn approaches, the temperature cools again, dropping to near-freezing by November. The coldest winter months often see temperatures dip below -8°C, while the mildest summer days reach highs of around 33-42°C.