| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 55°F | 39°F | 1.3" |
| February | 31°F | 58°F | 43°F | 1.7" |
| March | 40°F | 69°F | 53°F | 2.6" |
| April | 48°F | 76°F | 61°F | 4.3" |
| May | 57°F | 82°F | 69°F | 5.9" |
| June | 67°F | 91°F | 79°F | 5.2" |
| July | 71°F | 96°F | 83°F | 4.4" |
| August | 70°F | 95°F | 82°F | 3.9" |
| September | 62°F | 88°F | 74°F | 3.7" |
| October | 50°F | 78°F | 62°F | 3.3" |
| November | 39°F | 67°F | 52°F | 1.3" |
| December | 28°F | 54°F | 40°F | 1.6" |
| Index | Oklahoma City | Oklahoma | National |
| Air quality index | 48 | 55 | 42 |
| Pollution index | 715,482 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 204 |
| Days with moderate air quality | 159 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.100% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.030% |
| Mercury | 0.070% |
| City | Population | Air Quality Index | National Avg. |
| Moore, OK | 61,683 | 48 | 4.0% |
| Lake Aluma, OK | 60 | 48 | 4.0% |
| Warr Acres, OK | 10,169 | 48 | 4.0% |
| Forest Park, OK | 979 | 48 | 4.0% |
| Smith Village, OK | 73 | 48 | 4.0% |
| Oklahoma City, OK | 649,821 | 48 | 4.0% |
| City | Population | Air Quality Index | National Avg. |
| Portland, OR | 650,380 | 38 | 24.0% |
| Memphis, TN | 650,910 | 45 | 10.0% |
| Las Vegas, NV | 644,594 | 54 | 8.0% |
| Nashville, TN | 667,070 | 45 | 10.0% |
| Detroit, MI | 672,351 | 56 | 12.0% |
| Oklahoma City, OK | 649,821 | 48 | 4.0% |
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