Climate Overview
The climate in Ko Chang Tai is hot. The average annual temperature is 27°C and approximately 3455mm of precipitation falls per year. July is the wettest month, receiving around 701mm of rainfall. Ko Chang Tai is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, November. The coldest months are January, December, February, when temperatures can drop to 25°C.
Temperature
Ko Chang Tai has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 25°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Ko Chang Tai is a very wet location, receiving approximately 3455mm of precipitation annually, which averages out to around 288mm per month. The wettest month is July, averaging 701mm of rainfall. September and August also tend to see above-average precipitation. The driest month is December, with just 24mm. That's 677mm 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
Ko Chang Tai is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 20km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 17km/h in winter, 15km/h in spring, 19km/h in summer, 15km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Ko Chang Tai, which began on March 20, 2026. Ko Chang Tai 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 29°C, while the coldest stretch bottoms out in January near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 486mm across the season with a monthly average of 162mm. Winds are generally light, averaging 15km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1845mm across the season with a monthly average of 615mm. Winds are moderate at around 19km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 1023mm across the season with a monthly average of 341mm. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 29°C. Rainfall is relatively light, with around 102mm over the season and a monthly average of 34mm. Winds are moderate at around 17km/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 Ko Chang Tai 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.
