| Month | High (°F) | Low (°F) | Precipitation (in) |
|---|---|---|---|
| January | 50.0 | 26.6 | 1.6 |
| February | 54.6 | 30.3 | 1.7 |
| March | 63.4 | 38.9 | 2.8 |
| April | 72.2 | 46.8 | 3.6 |
| May | 80.0 | 56.8 | 4.9 |
| June | 88.7 | 65.9 | 4.3 |
| July | 93.8 | 70.1 | 3.2 |
| August | 92.9 | 68.8 | 3.2 |
| September | 85.1 | 60.7 | 3.3 |
| October | 73.9 | 48.6 | 3.4 |
| November | 61.5 | 37.4 | 2.3 |
| December | 51.3 | 28.9 | 2.1 |
| Entire Year | 72.3 | 48.3 | 36.4 |
| City | Average (°F) | Record (°F) | Yearly (inches) | |||
|---|---|---|---|---|---|---|
| High | Low | High | Low | Precipitation | Snow | |
| Ardmore | 74.6 | 52.5 | 114 | -10 | 36.6 | 1.3 |
| Bartlesville | 71.7 | 46.9 | 115 | -28 | 40.0 | 7.1 |
| Blanchard | 73.4 | 49.6 | 112 | -14 | 36.0 | 6.1 |
| Elk City | 72.4 | 47.4 | 113 | -12 | 29.9 | n/a |
| Enid | 71.4 | 48.7 | 118 | -20 | 32.7 | 9.1 |
| Goodwell | 71.8 | 41.6 | 112 | -22 | 16.5 | 1.8 |
| Hobart | 73.8 | 49.4 | 117 | -10 | 27.7 | n/a |
| Idabel | 74.8 | 49.8 | 114 | -12 | 55.6 | 2.3 |
| Lawton | 75.2 | 49.9 | 115 | -12 | 27.0 | n/a |
| McAlester | 73.5 | 51.5 | 116 | -14 | 42.1 | n/a |
| Muskogee | 72.2 | 50.1 | 118 | -14 | 42.4 | n/a |
| Oklahoma City | 72.2 | 49.9 | 113 | -14 | 36.4 | 6.9 |
| Ponca City | 71.5 | 48.7 | 116 | -25 | 33.0 | n/a |
| Stillwater | 72.6 | 48.5 | 115 | -21 | 33.1 | n/a |
| Tulsa | 71.9 | 50.7 | 113 | -13 | 40.8 | 8.7 |
| Watonga | 71.7 | 47.7 | 112 | -16 | 31.3 | 8.8 |