Spokane, Washington, Average Temperature, July-April Degrees Fahrenheit 1901-1939 -99 189604 44.7 -1.0 189704 44.8 -0.9 189804 -99.0 -144.7 189904 43.2 -2.5 190004 46.9 1.2 190104 44.7 -1.0 190204 46.0 0.3 190304 44.2 -1.5 190404 44.7 -1.0 190504 47.3 1.6 190604 45.4 -0.3 190704 45.0 -0.7 190804 45.9 0.2 190904 45.2 -0.5 191004 45.2 -0.5 191104 46.1 0.4 191204 44.4 -1.3 191304 42.6 -3.1 191404 46.3 0.6 191504 46.6 0.9 191604 45.0 -0.7 191704 -99.0 -144.7 191804 48.1 2.4 191904 46.9 1.2 192004 43.6 -2.1 192104 46.6 0.9 192204 42.9 -2.8 192304 45.0 -0.7 192404 46.8 1.1 192504 46.3 0.6 192604 48.2 2.5 192704 45.5 -0.2 192804 44.9 -0.8 192904 43.5 -2.2 193004 46.1 0.4 193104 46.8 1.1 193204 45.0 -0.7 193304 45.1 -0.6 193404 49.8 4.1 193504 46.8 1.1 193604 44.2 -1.5 193704 43.7 -2.0 193804 47.4 1.7 193904 47.5 1.8