| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 60°F | 47°F | 2.8" |
| February | 40°F | 64°F | 51°F | 1.5" |
| March | 49°F | 72°F | 60°F | 3.4" |
| April | 56°F | 79°F | 67°F | 3.8" |
| May | 63°F | 85°F | 74°F | 4.7" |
| June | 72°F | 93°F | 83°F | 3.4" |
| July | 75°F | 96°F | 85°F | 2.0" |
| August | 75°F | 98°F | 86°F | 1.5" |
| September | 68°F | 91°F | 79°F | 3.5" |
| October | 56°F | 81°F | 68°F | 4.2" |
| November | 47°F | 70°F | 57°F | 2.6" |
| December | 38°F | 60°F | 48°F | 2.3" |
| Index | Mansfield | Texas | National |
| Air quality index | 51 | 52 | 42 |
| Pollution index | 3,706,540 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 181 |
| Days with moderate air quality | 155 |
| Days w/ poor A.Q. for sensitive groups | 28 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.040% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Cross Timber, TX | 288 | 33 | 34.0% |
| Alvarado, TX | 4,282 | 33 | 34.0% |
| Keene, TX | 6,456 | 33 | 34.0% |
| Coyote Flats, TX | 419 | 33 | 34.0% |
| Edgecliff Village, TX | 3,007 | 33 | 34.0% |
| Mansfield, TX | 71,419 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Woodbury, MN | 71,298 | 46 | 8.0% |
| Maple Grove, MN | 71,569 | 46 | 8.0% |
| Bowling Green, KY | 71,628 | 43 | 14.0% |
| Gulfport, MS | 71,660 | 42 | 16.0% |
| Redlands, CA | 71,680 | 89 | 78.0% |
| Mansfield, TX | 71,419 | 51 | 2.0% |
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