Mount Hagen's climate is characterized by mild temperatures throughout the year, with minimal seasonal variation. During the "dry season" which spans May to October, temperatures range from 12-27°C, with an average of around 20°C. The warmest months are September and October, with temperatures occasionally reaching up to 28°C. In contrast, the "wet season" sees temperatures slightly lower, ranging from 13-26°C, but still averaging around 21°C. Overall, Mount Hagen's climate is relatively stable, with temperatures rarely dropping below 12°C or rising above 28°C.