Kai, Japan experiences a continental climate with cold winters and warm summers. In winter, temperatures often drop below -30°C in January and February, but can rise to around 15°C by mid-December and early January. As spring arrives in March, temperatures gradually warm up, reaching averages of 2°C to 4°C, with occasional highs above 25°C. Summer months from June to August are hot, with average temperatures ranging from 14°C to 18°C, while summer nights can see temperatures drop to around 1°C. Autumn brings a return to cooler temperatures, with November and December experiencing averages of 2°C and -3°C respectively.