Ubon Ratchathani Province is one of several regions in Thailand, with temperatures that range from 31°C (88°F) in December to 37°C (99°F) during the peak of April. We've based our full climate overview on data from Ubon Ratchathani, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The climate in Ubon Ratchathani Province, particularly in Ubon Ratchathani, is characterized by consistently high temperatures, with average maximums never falling below 31°C (88°F).
The hottest season always takes place in March, April and May.
Precipitation in Ubon Ratchathani Province varies considerably throughout the year. The wettest conditions occur in September with 289 mm (11 in) of rain, while January stays relatively dry with 5 mm (0.2 in). The region experiences its rainy season during June, July, August and September, when monthly rainfall can range from 212 mm (8.3 in) to 289 mm (11 in). Rainfall in January, February and December is at its lowest, remaining under 12 mm (0.5 in).