Teoloyucan's climate is characterized by mild winters and hot summers, with temperatures gradually increasing from March to April before peaking in May. June marks the beginning of a relatively cooler period, with temperatures stabilizing around 18-19°C until September. The coldest months are January and November, with average temperatures ranging from 16-17°C, while the warmest months are April and October, with temperatures occasionally reaching up to 30°C. Summer heat is moderate, with highs rarely exceeding 26-27°C. Overall, the temperature fluctuations are relatively gentle throughout the year.