Ubon Ratchathani experiences a warm and humid climate year-round. During the cool season, from January to February, temperatures are mild with average highs around 26-29°C. As the dry season progresses from March to May, temperatures rise steadily, reaching average highs of 30-31°C by April and May. The hot season then sets in from June to August, with temperatures remaining relatively stable at around 29-30°C throughout this period. In the late summer months of September to November, temperatures begin to cool slightly, averaging highs of around 26-27°C before dipping again during the cool season that follows.