Tajumulco's climate is characterized by mild winters and warm summers. The dry season, which spans from December to April, brings relatively stable temperatures, with averages ranging from 20-24°C. Summer months (May to October) see a slight dip in temperature, averaging around 21-23°C, but still experiencing occasional heatwaves with highs reaching up to 36°C. Winters are cool and dry, with temperatures ranging from -3°C to 35°C, while spring brings a gentle warming trend, with averages gradually increasing towards the warmer months. Overall, Tajumulco's climate is relatively moderate, with minimal seasonal extremes.