Coacalco's climate is characterized by mild winters, with temperatures ranging from 3-9°C in the coldest months (January and February). Spring brings slightly warmer days, with highs reaching up to 29°C, while summer temperatures remain relatively stable around 26-28°C. Autumn is similar to spring, with warm days but cooler nights, before cooling down again into mild winter conditions. The average temperature throughout the year remains relatively consistent, hovering around 17-19°C. Overall, Coacalco's climate is quite moderate, with minimal extreme variations in temperature.