| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 29°F | 55°F | 41°F | 4.9" |
| February | 33°F | 59°F | 45°F | 4.5" |
| March | 44°F | 69°F | 55°F | 7.1" |
| April | 51°F | 77°F | 63°F | 8.9" |
| May | 60°F | 83°F | 71°F | 10.5" |
| June | 70°F | 92°F | 81°F | 11.4" |
| July | 73°F | 96°F | 85°F | 8.1" |
| August | 72°F | 96°F | 84°F | 9.3" |
| September | 64°F | 88°F | 75°F | 10.7" |
| October | 52°F | 78°F | 64°F | 8.5" |
| November | 41°F | 66°F | 52°F | 7.5" |
| December | 31°F | 54°F | 41°F | 6.1" |
| Index | Cache | Oklahoma | National |
| Air quality index | 43 | 55 | 42 |
| Pollution index | 227,584 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 285 |
| Days with moderate air quality | 80 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Medicine Park, OK | 317 | 43 | 14.0% |
| Faxon, OK | 63 | 43 | 14.0% |
| Indiahoma, OK | 283 | 43 | 14.0% |
| Lawton, OK | 93,535 | 43 | 14.0% |
| Geronimo, OK | 1,191 | 43 | 14.0% |
| Cache, OK | 2,843 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Ketchum, ID | 2,843 | 20 | 60.0% |
| St. Clair, PA | 2,842 | 42 | 16.0% |
| Ferris, TX | 2,842 | 51 | 2.0% |
| Somerset, WI | 2,842 | 46 | 8.0% |
| Cetronia, PA | 2,844 | 42 | 16.0% |
| Cache, OK | 2,843 | 43 | 14.0% |
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