Iga, Japan experiences a temperate climate with distinct seasonal changes. Winters are generally mild, with temperatures ranging from around -4°C to 15°C in January and February, making it a relatively pleasant time of year. As spring arrives in March, temperatures gradually warm up, reaching averages of 11°C and highs of up to 23°C by April. Summers can be hot and humid, with July and August often seeing highs of over 35°C. Autumn brings a welcome respite from the heat, with temperatures cooling down significantly in September and October before warming up again in late November.