Pohang's winters are harsh, with temperatures often dropping below freezing in January and December, but mild spells can bring daytime highs into the mid-teens. Spring arrives slowly, with March and April temperatures gradually warming up to a comfortable range. Summer is hot and humid, with July and August being the warmest months, while September brings some respite as the mercury drops back down. Autumn temperatures are similar to spring's, with mild days and cooler nights, before winter returns in December.