Winters in Skelleftea are long and cold, with temperatures often below freezing, sometimes dropping as low as -26°C in January and February. Spring arrives slowly, with temperatures gradually warming up towards the end of March and April, when the average temperature reaches around 2°C. Summers are mild and pleasant, with July being the warmest month, averaging around 19°C. Autumn is a cool season, with temperatures dropping again in September and October, and winter's chill returning by November. The coldest months are January and December, while June and July are the warmest.