Climate Insights for Bua Yai

The climate in Bua Yai is temperate. The average annual temperature is 17°C and approximately 220mm of precipitation falls per year. November is the wettest month, receiving around 33mm of rainfall. Bua Yai is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: October, November, December. The coldest months are August, September, July, when temperatures can drop to 4°C.

Bua Yai sees moderate temperature variation throughout the year, ranging from 4°C to 23°C. October is the warmest month, though highs remain moderate at 23°C with a mean of 15°C. August is the coolest month, with minimum temperatures around 4°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Bua Yai is a quite dry location, receiving approximately 220mm of precipitation annually, which averages out to around 18mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is June, with just 0mm. That's 33mm less than January, 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.

Bua Yai is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

It is currently summer in Bua Yai, which began on June 21, 2026. Bua Yai 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 October at around 23°C, while the coldest stretch bottoms out in August near 4°C. Autumn is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Bua Yai is during January, February, March, April, May, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 27mm per month. By contrast, August can be quite cold with temperatures dropping to 4°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Bua Yai 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.