Thakhek's climate is characterized by a subtropical dry season and a hot, humid wet season. Winters are mild, with temperatures ranging from 7-23°C in January and February, gradually warming up to an average high of around 30°C by April and May. The summer months, June to August, bring temperatures that often reach the mid-30s, but with high humidity. Autumn is a transitional period, with temperatures gradually cooling down to around 28°C by September and October. Cooler temperatures return in November and December, signaling the onset of winter once again.