Winters in Ikoma are cool, with temperatures ranging from -4°C to 18°C, averaging around 6°C. Spring brings gradual warming, with temperatures rising to as high as 27°C by April and May averages of 19°C. Summer months are hot, with July and August often reaching highs above 35°C, while September sees a slight drop in temperature. Autumn is mild, with November temperatures cooling back down to around 13°C. The coldest winter month and the warmest summer month are relatively close in terms of average temperature.