With an annual mean temperature of 28.1 °C (82.6 °F) it is generally hot in Ban Thai Tan, Ang Thong. With an average temperature of 30.8 °C (87.4 °F) April ist the warmest month. December is the coldest month with a mean temperature of 25.2 °C (77.4 °F). Following this, the difference between the months amounts 5.6 °C (10.08 °F). Ban Thai Tan has an annual total precipitation of 1279 mm (50.4 in). The seasons have a signifant influence on the amount of precipitation. With a total precipitation of 273.0 mm (10.7 in) on average September is the wettest month. In January it is only 5.0 mm (0.2 in). According to that, the margin between the two months amounts 268.0 mm (10.6 in).