Climate Insights for Bang Yai

The climate in Bang Yai is warm and mild. The average annual temperature is 18°C and approximately 283mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Bang Yai is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: November, October, September. The coldest months are January, February, April, when temperatures can drop to 12°C.

Bang Yai sees moderate temperature variation throughout the year, ranging from 12°C to 29°C. The warmest month is November, when average highs reach 29°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 12°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.

Bang Yai is a quite dry location, receiving approximately 283mm of precipitation annually, which averages out to around 24mm per month. The wettest month is April, averaging 33mm of rainfall. May and June also tend to see above-average precipitation. The driest month is October, with just 4mm. That's 29mm less than April, 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.

Bang Yai 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 February, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 5km/h in winter, 5km/h in spring, 2km/h in summer, 2km/h in autumn.

It is currently summer in Bang Yai, which began on June 21, 2026. Bang 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 November at around 29°C, while the coldest stretch bottoms out in January near 12°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Bang Yai is during May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 23mm per month. By contrast, January can be quite cold with temperatures dropping to 12°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Bang 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.