| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 34°F | 61°F | 46°F | 0.6" |
| February | 38°F | 67°F | 50°F | 0.3" |
| March | 46°F | 76°F | 60°F | 0.3" |
| April | 55°F | 84°F | 68°F | 0.6" |
| May | 62°F | 89°F | 75°F | 1.0" |
| June | 71°F | 97°F | 83°F | 0.6" |
| July | 73°F | 96°F | 84°F | 1.2" |
| August | 73°F | 96°F | 84°F | 0.6" |
| September | 66°F | 89°F | 76°F | 1.7" |
| October | 56°F | 82°F | 67°F | 0.4" |
| November | 44°F | 71°F | 56°F | 0.2" |
| December | 36°F | 61°F | 47°F | 0.3" |
| Index | Midland | Texas | National |
| Air quality index | 28 | 52 | 42 |
| Pollution index | 235,974 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 354 |
| Days with good air quality | 319 |
| Days with moderate air quality | 35 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Midland, TX | 141,194 | 28 | 44.0% |
| City | Population | Air Quality Index | National Avg. |
| Fullerton, CA | 141,061 | 72 | 44.0% |
| St. Catharines, ON | 140,913 | n/a | |
| Murfreesboro, TN | 141,704 | 45 | 10.0% |
| Miramar, FL | 140,479 | 41 | 18.0% |
| Dayton, OH | 140,444 | 47 | 6.0% |
| Midland, TX | 141,194 | 28 | 44.0% |
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