Winters in Yokosuka are typically cool and temperamental, with temperatures ranging from -7°C to 18°C, averaging around 5°C. Spring brings mild temperatures, gradually warming up from -1°C to 24°C by March, then stabilizing between 4°C to 26°C in April. Summer months of June to August are warm and humid, with July being the hottest month, often reaching as high as 36°C, while autumn sees a return to cooler temperatures, oscillating between 5°C to 30°C, averaging around 18°C by October. Mornings can still be chilly during November and December, but afternoons often reach up to 20°C or more before dropping again. The temperature fluctuations throughout the year contribute to a dynamic climate in Yokosuka.