Santo Domingo Tehuantepec experiences a warm and humid climate year-round, with temperatures rarely dipping below 25°C. Winters are mild, with average highs in the mid-30s Celsius in January, gradually cooling down to around 28°C by March. Spring arrives in April, bringing relatively stable temperatures ranging from 28 to 30°C. Summer months, particularly July and August, see a slight increase in temperature, often reaching highs of 36°C, while September marks a return to cooler temperatures, averaging around 24°C.