Vinh Long experiences a tropical savanna climate, with temperatures gradually increasing through the year. In January and December, temperatures range from 19-32°C, indicating a relatively mild start and end to the year. From March to May, temperatures steadily rise to an average high of 36°C, marking the beginning of summer. The hottest months are April and May, with little variation in temperature throughout the day. As the year progresses, temperatures remain relatively consistent until November, when they begin to decline slightly, returning to a milder range by December.