Climate data for Sparta Airport (HNMS ,1974–2004) Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Average high °C (°F) 14.4 (57.9) 15.1 (59.2) 17.7 (63.9) 21.3 (70.3) 27.0 (80.6) 32.2 (90) 34.8 (94.6) 34.3 (93.7) 30.5 (86.9) 25.7 (78.3) 19.4 (66.9) 15.2 (59.4) 23.97 (75.14) Daily mean °C (°F) 9.6 (49.3) 10.2 (50.4) 12.4 (54.3) 15.8 (60.4) 21.2 (70.2) 26.2 (79.2) 28.5 (83.3) 27.8 (82) 24.2 (75.6) 19.6 (67.3) 14.2 (57.6) 10.8 (51.4) 18.38 (65.08) Average low °C (°F) 3.5 (38.3) 3.8 (38.8) 5.5 (41.9) 7.6 (45.7) 11.8 (53.2) 15.9 (60.6) 18.7 (65.7) 18.0 (64.4) 15.3 (59.5) 12.3 (54.1) 8.2 (46.8) 5.1 (41.2) 10.48 (50.85) Average rainfall mm (inches) 90.7 (3.571) 84.6 (3.331) 73.3 (2.886) 66.0 (2.598) 47.4 (1.866) 14.6 (0.575) 18.8 (0.74) 26.4 (1.039) 30.8 (1.213) 54.6 (2.15) 90.0 (3.543) 107.9 (4.248) 705.1 (27.76) Source: Meteoclub.gr[9]