Shangqiu's climate is characterized by cold winters, with January being the coldest month, averaging around 2°C. Spring brings rapid warming, with temperatures rising to average highs of 15°C in April and 22°C in May. Summer months are warm to hot, with June and July temperatures often reaching averages above 28°C, but not excessively so. Autumn is mild, with temperatures dropping back down to around 10°C by November. Winters are chilly again, with December being the second-coldest month after January.