Chi Linh's weather is characterized by a distinct seasonal pattern. Winters, from January to March, are cool with temperatures ranging from 8-25°C, with the coldest month being February averaging around 20°C. Spring brings warmer temperatures, peaking in April at an average of 25°C and gradually rising through May and June, which sees highs of up to 40°C on average. Summer months remain hot, though slightly cooler than June, with July and August averaging around 30°C. Autumn, from September to November, sees a gradual decrease in temperatures, returning to winter-like conditions by December, averaging around 19°C.