Climate Insights for Pailin

The climate in Pailin is hot. The average annual temperature is 26°C and approximately 1897mm of precipitation falls per year. September is the wettest month, receiving around 307mm of rainfall. Pailin is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: March, April, February. The coldest months are December, February, January, when temperatures can drop to 21°C.

Pailin sees moderate temperature variation throughout the year, ranging from 21°C to 33°C. The warmest month is March, when average highs reach 33°C and the mean temperature sits around 27°C. December is the coolest month, with minimum temperatures around 21°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Pailin is a fairly wet location, receiving approximately 1897mm of precipitation annually, which averages out to around 158mm per month. The wettest month is September, averaging 307mm of rainfall. August and July also tend to see above-average precipitation. The driest month is February, with just 21mm. That's 285mm 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.

Pailin is relatively calm, with an average annual wind speed of 2km/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.

It is currently spring in Pailin, which began on March 20, 2026. Pailin 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 March at around 33°C, while the coldest stretch bottoms out in December near 21°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Pailin is during December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 22mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 33°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Pailin 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.