Chiang Saen Weather & Climate: Best Time to Visit

The climate in Chiang Saen experiences moderate temperature changes, with mild shifts between seasons. Average maximum daytime temperatures range from a very hot 36°C (97°F) in April, the warmest time of the year, to a comfortable 28°C (82°F) during cooler months like December.

At night, you can expect temperatures ranging from 25°C (77°F) in April to around 15°C (59°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Chiang Saen has a notably wet climate with abundant precipitation, recording 1979 mm (78 in) of rainfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, August it receives heavy rainfall, averaging 397 mm (16 in) of precipitation, recorded across 24 rainy days. In contrast, the driest month February brings less rainfall, with 14 mm (0.6 in) over 2 rainy days. For more details, please visit our Chiang Saen Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Chiang Saen. While March receives considerable daily sunshine with up to 9.8 hours, August marks the darkest time of the year, where sunshine is scarce with only 3.9 hours of sunlight per day.

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 Chiang Saen.

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