Lerma, Mexico experiences a mild climate with distinct seasonal variations. Winters are chilly, with temperatures ranging from -7°C to 32°C in January and February, averaging around 13-14°C. As spring approaches, temperatures rise gradually, reaching averages of 17-18°C by March and April, with occasional warm days reaching up to 36°C. Summer is mild, with temperatures hovering around 17°C, while autumn brings a slight cooling trend, with averages dropping to 16°C in October. The coolest months are December, November, and January, while the warmest months are April and May, although temperatures rarely exceed 34°C.