Climate Overview
The climate in Chon Buri is hot. The average annual temperature is 29°C and approximately 1399mm of precipitation falls per year. September is the wettest month, receiving around 252mm of rainfall. Chon Buri 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 December, January, February, when temperatures can drop to 23°C.
Temperature
Chon Buri 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. December 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
Chon Buri is a fairly wet location, receiving approximately 1399mm of precipitation annually, which averages out to around 117mm per month. The wettest month is September, averaging 252mm of rainfall. October and July also tend to see above-average precipitation. The driest month is February, with just 21mm. That's 231mm 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
Chon Buri 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 October, 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
93 days until Autumn
It is currently summer in Chon Buri, which began on June 21, 2026. Chon Buri 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 December near 23°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 26 to 34°C. Rainfall is heavy, totalling around 311mm across the season with a monthly average of 104mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 33°C. Rainfall is heavy, totalling around 466mm across the season with a monthly average of 155mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 534mm across the season with a monthly average of 178mm. 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 33°C. Rainfall is relatively light, with around 88mm over the season and a monthly average of 29mm. 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 Chon Buri 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.
