Ubon Ratchathani Weather & Climate: Best Time to Visit

In Ubon Ratchathani temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very hot 37°C (99°F) in April to a very warm 32°C (90°F) in January.

Nighttime temperatures range from 26°C (79°F) in April to 19°C (66°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Ubon Ratchathani experiences significant rainfall throughout the year, averaging 1542 mm (61 in) of precipitation annually. The seasons in Ubon Ratchathani bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 290 mm (11 in) of precipitation. This rainfall is distributed across 19 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 5.5 mm (0.2 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Ubon Ratchathani Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

The relative humidity is high throughout the year in Ubon Ratchathani.

The city experiences its highest humidity in September, reaching 82%. In February, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year