Ch'onan experiences a continental climate with distinct seasonal variations. Winters are harsh, with extremely cold temperatures in January and February, often below freezing, but gradually warming up by March. As spring arrives, temperatures rise rapidly, reaching comfortable highs in April and May. Summer months bring warm to hot temperatures, peaking in July and August, while autumn is mild, with temperatures cooling down again from September to November. Winters return, albeit milder than before, from December onwards.