Winters in Kiyose are typically cold and variable, with temperatures often dipping below freezing and occasionally rising into the mid-teens. As spring arrives, temperatures gradually warm up, with April and May being particularly pleasant, with average highs reaching the mid-20s. Summer is hot and humid, with July and August seeing frequent heatwaves that push temperatures into the 30s and even 40s on occasion. Autumn brings a welcome cool-down, with September and October experiencing mild temperatures in the mid-teens to low twenties, before winter's chill sets back in.