Kikugawa's climate is characterized by mild winters, with temperatures rarely dropping below freezing and often reaching into the mid-teens. Spring arrives in late March, bringing warm days that can reach up to 26°C, but also still chilly mornings. Summer months of June, July, and August are hot and humid, with temperatures frequently soaring above 30°C. Autumn, from September to November, is a pleasant transition period, with comfortable temperatures ranging from the mid-teens to low twenties. Winters are relatively mild, with cold snaps in January and December, but generally averaging around 7-9°C throughout the season.