Coatepeque's climate is characterized by mild winters and hot summers. From January to March, temperatures gradually warm up, with average highs in the mid-20s Celsius, punctuated by chilly mornings. As April arrives, temperatures consistently rise, reaching a peak in May and June before slowly declining into July and August. Autumn months from September to November bring a slight cooling, while winters from December to February are mild, with temperatures rarely dropping below 0°C. Overall, the temperature range is moderate, with little seasonal fluctuation.