Tecamachalco's climate is characterized by mild temperatures throughout the year, with slight variations between seasons. In the spring, May brings consistently cool temperatures around 19°C, setting a gentle tone for the season. Summer months are warm but not sweltering, with August averaging 21°C. Autumn sees a slight increase in temperature, peaking at 24°C in October. Winters are coolest, with December's average temperature hovering around 19°C, still relatively mild compared to other regions.