Changhua's climate is mild and temperate, with temperatures gradually warming up from winter to summer. In the coldest months of January and December, average highs barely reach above 27°C, while lows dip into single digits. Spring arrives in March, bringing warmer days with temperatures often reaching 31°C, but still cool nights around 11°C. Summer is hot and humid, with July being the warmest month, but temperatures rarely exceed 34°C. Autumn sees a slight cooling trend, with October's highs dropping to 33°C, while winter returns with chilly lows in November and December.