Piedras Negras, Mexico's climate is characterized by mild winters and hot summers. In winter months (December to February), temperatures are typically cool, ranging from near-freezing to the mid-30s Celsius, with averages around 12-19°C. As spring approaches in March and April, temperatures gradually warm up, reaching highs of up to 40°C, while summer months (May to August) bring sweltering heat, with temperatures often soaring above 35°C. Autumn is a relatively short season, but still mild, with temperatures ranging from around 10-30°C. The temperature fluctuations throughout the year are considerable, with some months experiencing as much as 40°C difference between highs and lows.