Santa Teresa del Tuy has a warm and relatively consistent climate year-round, with average temperatures ranging from 25-27°C. The coolest months are March and April, with occasional drops to near-freezing temperatures, while the hottest months are October to December, with temperatures often reaching over 34°C. June and July experience a slight drop in temperature at night, but still have warm days. There is no distinct cold season, as winter temperatures rarely dip below 18°C. The warmest months tend to coincide with the end of the dry season, which typically runs from December to May.