Mean annual temperature in the region ranges between 24 and 26oC (75 and 79oF), and like other inland plains of the country, is part of the 36oC (97oF) isotherm for average absolute temperatures. Average annual rainfall oscillates between 1200 and 1400 mm (47 and 55 in). Mean annual temperature in the southern section of this region is located in the isotherm between 25 and 26oC (77 and 79oF), while the coastal strip is located in the one of 26oC (79oF). Rainfall decreases towards the coast, reaching annual figures between 1000 and 1200 mm (39 and 47 in); and increases towards inland zones of the south, registering values ranging from 1200 to 1400 mm (47 and 55 in).
