Udon Thani Weather & Climate: Best Time to Visit
The climate in Udon Thani, Udon Thani Province, Thailand, is remarkably consistent, with temperatures year-round averaging 33°C (91°F). The warmest month is April at 37°C (99°F), and the coolest is January at 30°C (86°F).
The city has a wet climate, receiving around 1591 mm (63 in) of rainfall per year. Despite the high annual total, it has distinct dry (November to March) and wet (May to September) seasons. August is the wettest month. December is the sunniest month, averaging 8.3 hours of sunshine per day.
Monthly Temperature in Udon Thani
In Udon Thani 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 30°C (86°F) in January.
Nighttime temperatures range from 26°C (79°F) in April to 17°C (63°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Udon Thani
Udon Thani experiences significant rainfall throughout the year, averaging 1591 mm (63 in) of precipitation annually. The seasons in Udon Thani bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 329 mm (13 in) of precipitation. This rainfall is distributed across 21 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 7.1 mm (0.3 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Udon Thani Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Udon Thani
In Udon Thani, summer days are longer and more sunny, with daily sunshine hours peaking at 8.3 hours in December. As the darker season arrives, the brightness of the sun becomes less. July sees a soft sun for only 4.3 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Udon Thani by Month
The relative humidity is high throughout the year in Udon Thani.
The city experiences its highest humidity in August, reaching 84%. In March, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Udon Thani 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Udon Thani
The warm weather in Udon Thani maintains temperatures between 30°C (86°F) and 37°C (99°F) year-round. Plan your visit during January, February, March, April, November and December for drier days and the best conditions to enjoy being outside.To make the most of your visit, consider exploring early in the morning or during the pleasant late afternoon hours when the temperature is most comfortable.
Be aware that May, June, July, August and September constitute the rainy season, with significant precipitation. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
