Climate Overview
The climate in Champasak is hot. The average annual temperature is 27°C and approximately 2101mm of precipitation falls per year. July is the wettest month, receiving around 438mm of rainfall. Champasak 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 December, February, January, when temperatures can drop to 20°C.
Temperature
Champasak sees moderate temperature variation throughout the year, ranging from 20°C to 36°C. April is the hottest month, with daytime highs reaching 36°C and an average of 30°C. December is the coolest month, with minimum temperatures around 20°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 2°C shift in average temperatures.
Precipitation
Champasak is a very wet location, receiving approximately 2101mm of precipitation annually, which averages out to around 175mm per month. The wettest month is July, averaging 438mm of rainfall. August and September also tend to see above-average precipitation. The driest month is February, with just 3mm. That's 436mm less than July, 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
Champasak is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Champasak, which began on June 21, 2026. Champasak 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 December near 20°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 24 to 36°C. Precipitation is moderate at around 282mm for the season, averaging 94mm per month. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 1199mm across the season with a monthly average of 400mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 594mm across the season with a monthly average of 198mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 20 to 34°C. Precipitation is minimal, with only around 26mm for the entire season. Winds are generally light, averaging 1km/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 Champasak 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.
