Winters in Kashima, Japan are typically cool and unpredictable, with temperatures fluctuating between freezing lows and mild highs. Spring brings a gradual warming trend, with temperatures rising steadily from around 12°C in March to nearly 20°C by May. Summer is warm and humid, with temperatures often reaching the mid-30s Celsius during July and August. Autumn sees a return to more moderate conditions, with temperatures dropping back down to around 10-15°C by October before rising again towards winter. The coldest months are January and December, while the warmest months are June, July, and August.