Mae Sai Weather & Climate: Best Time to Visit

In Mae Sai, seasonal changes bring about a moderate variation in temperatures. Typically, average maximum daytime temperatures range from a very warm 35°C (95°F) in April to a comfortable 27°C (81°F) in the coolest month, December.

Nights vary from 24°C (75°F) in April to around 13°C (55°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Mae Sai has a notably wet climate with abundant precipitation, recording 2303 mm (91 in) of rainfall per year. The climate in Mae Sai shows significant variation throughout the year. Expect heavy rainfall in July, the wettest month, with an average of 460 mm (18 in) of precipitation over 22 rainy days.

In contrast, the driest month February offers drier and sunnier days, with around 19 mm (0.7 in) of rainfall over 2 rainy days. For more details, please visit our Mae Sai 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, Mae Sai serves as an ideal destination. Expect longer, more sun-filled days in March with an average of 9.8 hours of sunshine daily, and embrace the darker days in August, 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 Mae Sai.

The city experiences its highest humidity in August, reaching 84%. In March, 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