What is the average temperature in Guatemala?

The average temperature in Guatemala varies depending on the altitude. In general, the higher the altitude, the cooler the temperature. The lowlands, which include the coastal areas and the Petén region, have an average temperature of around 25°C (77°F). The highlands, which include the central and western regions of the country, have an average temperature of around 15°C (59°F). The highest point in Guatemala is the Tajumulco Volcano, which has an average temperature of around 0°C (32°F).