Ubon Ratchathani Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Ubon Ratchathani.

Climate overview of Ubon Ratchathani

The climate in Ubon Ratchathani, Ubon Ratchathani Province, Thailand, is remarkably consistent, with temperatures year-round averaging 34°C (93°F). The warmest month is April at 37°C (99°F), and the coolest is December at 32°C (90°F).

The city has a wet climate, receiving around 1542 mm (61 in) of rainfall per year. Despite the high annual total, it has distinct dry (November to March) and wet (May to September) seasons. September is the wettest month.

Ubon Ratchathani Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ubon Ratchathani - and find the best time to visit.

Monthly Temperature in Ubon Ratchathani

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 December.

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

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Ubon Ratchathani

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

Humidity in Ubon Ratchathani by Month

Best Time to Visit Ubon Ratchathani

Conditions in Ubon Ratchathani are generally most comfortable in January and December. They are typically least comfortable in February, March, April, May, June, July, August and September.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: January and December
  • Warmest weather: March, April and May
  • Fewest rainy days: January, February and December
  • Wettest months: May, June, July, August, September and October, when rainfall is highest.
  • Seasonal pattern: Distinct dry (November to March) and wet (May to September) seasons

Frequently asked questions about the climate in Ubon Ratchathani

What is the best time to visit Ubon Ratchathani?

January and December typically offer the most optimal weather in Ubon Ratchathani. In contrast, February, March, April, May, June, July, August and September tend to have less optimal conditions. Ubon Ratchathani has distinct dry (November to March) and wet (May to September) seasons.

What temperatures can I expect in Ubon Ratchathani?

Daytime highs range from 32°C (90°F) in December to 37°C (99°F) in April. Nighttime lows range from 19°C (66°F) to 26°C (79°F). Temperatures stay relatively stable year-round.

How much rain does Ubon Ratchathani get?

Annual rainfall is around 1542 mm (61 in). September is the wettest month with 290 mm (11 in), while January is the driest with 5.5 mm (0.2 in).

Ubon Ratchathani 3-Day Forecast

Ubon Ratchathani on the map

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