Climate Overview
The climate in Vị Thanh is hot. The average annual temperature is 28°C and approximately 2072mm of precipitation falls per year. October is the wettest month, receiving around 320mm of rainfall. Vị Thanh sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Vị Thanh 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 29°C. February 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 6°C between highs and lows.
Precipitation
Vị Thanh is a very wet location, receiving approximately 2072mm of precipitation annually, which averages out to around 173mm per month. The wettest month is October, averaging 320mm of rainfall. September and June also tend to see above-average precipitation. The driest month is February, with just 17mm. That's 303mm 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
Vị Thanh is relatively calm, with an average annual wind speed of 3km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
90 days until Autumn
It is currently summer in Vị Thanh, which began on June 21, 2026. Vị Thanh sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 34°C, while the coldest stretch bottoms out in February near 23°C. Autumn is next, beginning on September 23, 2026 — 90 days from now.
Spring
Temperatures range from 25 to 34°C. Rainfall is heavy, totalling around 309mm across the season with a monthly average of 103mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 800mm across the season with a monthly average of 267mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 780mm across the season with a monthly average of 260mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 31°C. Precipitation is moderate at around 184mm for the season, averaging 61mm per month. Winds are generally light, averaging 3km/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 Vị Thanh 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.
