Climatological Information for McCurtain County, OK

Climate Division 9 (Southeast)
Mean Annual Precipitation 53.5 inches
Mean Annual Temperature 60.7 deg F
Mean Annual Cooling Degree-Days 1770
Mean Annual Heating Degree-Days 3313
County Seat Idabel
Population (2000 Census) 34402
Total Area 1901 Sq Miles
Land / Water Area 97.4% land / 2.6% water
Tornadoes: 1950-2000 38
Monthly Means from 1971-2000
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precip. (in) 3.1 3.4 4.8 4.6 6.5 4.6 3.9 2.8 4.5 5.4 5.2 4.8
Temp. (F) 39.3 44.2 52.0 59.9 68.4 76.0 80.5 79.9 73.0 62.5 50.6 42.2
Heating Degree-Days 796 583 406 181 45 1 0 1 18 135 438 708
Cooling Degree-Days 0 1 3 28 149 331 479 462 257 55 5 0