Climate Overview
The climate in Cao Lãnh is hot. The average annual temperature is 28°C and approximately 1893mm of precipitation falls per year. October is the wettest month, receiving around 316mm of rainfall. Cao Lãnh is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, February, December, when temperatures can drop to 23°C.
Temperature
Cao Lãnh sees moderate temperature variation throughout the year, ranging from 23°C to 34°C. The warmest month is April, when average highs reach 34°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 23°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.
Precipitation
Cao Lãnh is a fairly wet location, receiving approximately 1893mm of precipitation annually, which averages out to around 158mm per month. The wettest month is October, averaging 316mm of rainfall. September and July also tend to see above-average precipitation. The driest month is February, with just 14mm. That's 301mm less than October, 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
Cao Lãnh is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 13km/h in winter, 13km/h in spring, 16km/h in summer, 13km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Cao Lãnh, which began on March 20, 2026. Cao Lãnh 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 34°C, while the coldest stretch bottoms out in January near 23°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 34°C. Precipitation is moderate at around 287mm for the season, averaging 96mm per month. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 32°C. Rainfall is heavy, totalling around 702mm across the season with a monthly average of 234mm. Winds are moderate at around 16km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 779mm across the season with a monthly average of 260mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 32°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Winds are generally light, averaging 13km/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 Cao Lãnh 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.
