Roi Et Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Roi Et experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very hot 37°C (99°F) in April to a very warm 31°C (88°F) in the coolest month, December.

Nights vary from 26°C (79°F) in April to around 18°C (64°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Roi Et has a notably wet climate with abundant precipitation, recording 1390 mm (55 in) of rainfall per year. The climate in Roi Et shows significant variation throughout the year. Expect heavy rainfall in September, the wettest month, with an average of 271 mm (11 in) of precipitation over 18 rainy days.

In contrast, the driest month December offers drier and sunnier days, with around 6.3 mm (0.2 in) of rainfall over a single rainy day. For more details, please visit our Roi Et Precipitation page.

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

The average number of days each month with precipitation

For those who appreciate different seasons, Roi Et serves as an ideal destination. Expect longer, more sun-filled days in December with an average of 8.6 hours of sunshine daily, and embrace the darker days in June, offering only 3.9 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Roi Et.

The city experiences its highest humidity in September, reaching 80%. In March, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year