Chikushino experiences a temperate climate with distinct seasonal variations. Winters are cool, with temperatures ranging from -4°C to 20°C in January and February, averaging around 6-9°C. As spring arrives, temperatures gradually rise, reaching an average of 13-16°C in March and April. Summers are hot, with temperatures often soaring above 30°C, peaking at an average of 28-31°C in May and June. In autumn, temperatures cool down again, averaging around 20°C in September before dropping to around 8-13°C in November and December.