Santa Ana Chiautempan's climate is characterized by mild winters and warm summers. From December to March, temperatures are generally cool, ranging from near-freezing to the mid-20s Celsius, with an average temperature around 16-17°C. As spring approaches in April, temperatures gradually rise, reaching highs of up to 31°C, while winters remain relatively chilly but mild. Summers, from June to September, bring warm days with temperatures rarely exceeding 28°C, although nights can dip into the low teens Celsius. Autumn and winter months experience a slight cooling trend, returning to cooler temperatures in November and December.