Chiang Khong Weather & Climate: Best Time to Visit

The climate in Chiang Khong 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 Khong has a relatively rainy climate with high precipitation levels, averaging 1854 mm (73 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, August it receives heavy rainfall, averaging 377 mm (15 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 Khong 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 Khong. 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 Khong.

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