Ocoyoacac's climate is characterized by mild winters and warm summers, with temperatures gradually increasing throughout the year. Winters are cool, with temperatures ranging from just above freezing in January to a high of around 32°C in February and March, before dropping again in April. As spring arrives, temperatures rise steadily, reaching an average of 18°C by May and June. Summer months are warm but not scorching hot, with highs rarely exceeding 31°C. Autumn brings a slight cooling trend, with temperatures returning to around 14-16°C by November and December.