Bac Lieu's climate is characterized by high temperatures throughout the year. Summer months are hot and humid, with June being the warmest month, often reaching temperatures above 35°C. Autumn brings a slight cooling, but temperatures remain relatively high, averaging around 30-31°C from September to November. Winters are mild, with February being the coolest month at an average temperature of 22-23°C. Spring is also hot and humid, with April seeing an increase in temperature before reaching its peak in May.