Climate Overview
The climate in Ban Ko Kaeo is hot. The average annual temperature is 28°C and approximately 2354mm of precipitation falls per year. Ban Ko Kaeo receives a notable amount of rainfall throughout the year, including during its driest month. Ban Ko Kaeo sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Ban Ko Kaeo has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is April, when average highs reach 29°C and the mean temperature sits around 28°C. December is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Ban Ko Kaeo is a very wet location, receiving approximately 2354mm of precipitation annually, which averages out to around 196mm per month. The wettest month is September, averaging 342mm of rainfall. October and May also tend to see above-average precipitation. The driest month is February, with just 33mm. That's 309mm 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
Ban Ko Kaeo is mildly breezy, with an average annual wind speed of 15km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 12km/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.
Seasons
87 days until Winter
It is currently autumn in Ban Ko Kaeo, which began on September 23, 2026. Ban Ko Kaeo 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 29°C, while the coldest stretch bottoms out in December near 26°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 454mm across the season with a monthly average of 151mm. Winds are generally light, averaging 13km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 784mm across the season with a monthly average of 261mm. Winds are moderate at around 17km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 905mm across the season with a monthly average of 302mm. Winds are moderate at around 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 29°C. Precipitation is moderate at around 211mm for the season, averaging 70mm per month. Winds are moderate at around 16km/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 Ban Ko Kaeo 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.