Climate Overview
The climate in Stung Treng is hot. The average annual temperature is 28°C and approximately 1863mm of precipitation falls per year. September is the wettest month, receiving around 350mm of rainfall. Stung Treng is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, February. The coldest months are January, December, February, when temperatures can drop to 22°C.
Temperature
Stung Treng sees moderate temperature variation throughout the year, ranging from 22°C to 36°C. April is the hottest month, with daytime highs reaching 36°C and an average of 31°C. January is the coolest month, with minimum temperatures around 22°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Stung Treng is a fairly wet location, receiving approximately 1863mm of precipitation annually, which averages out to around 155mm per month. The wettest month is September, averaging 350mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 5mm. That's 345mm less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Stung Treng is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.
Seasons
3 days until Autumn
It is currently summer in Stung Treng, which began on June 21, 2026. Stung Treng is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 36°C, while the coldest stretch bottoms out in January near 22°C. Autumn is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 25 to 36°C. Rainfall is heavy, totalling around 321mm across the season with a monthly average of 107mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 33°C. Rainfall is heavy, totalling around 847mm across the season with a monthly average of 282mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 661mm across the season with a monthly average of 220mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 35°C. Precipitation is minimal, with only around 35mm for the entire season. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Stung Treng based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
