Mazatenango's climate is characterized by mild winters, with temperatures ranging from near-freezing to the mid-30s Celsius. Spring and fall are relatively consistent in temperature, averaging around 22°C, while summer months see a slight dip to around 21°C. The warmest temperatures occur during March to May, where highs can reach up to 36°C. Cool mornings are common year-round, with lows sometimes dipping into single digits Celsius. Overall, the region's temperatures exhibit little variation throughout the year, creating a relatively stable climate.