| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 55°F | 44°F | 6.7" |
| February | 39°F | 61°F | 49°F | 2.7" |
| March | 48°F | 71°F | 59°F | 6.8" |
| April | 52°F | 75°F | 62°F | 11.1" |
| May | 64°F | 82°F | 72°F | 6.6" |
| June | 71°F | 91°F | 80°F | 16.5" |
| July | 72°F | 93°F | 81°F | 2.3" |
| August | 74°F | 97°F | 84°F | 4.2" |
| September | 69°F | 93°F | 81°F | 3.1" |
| October | 56°F | 81°F | 68°F | 3.9" |
| November | 46°F | 72°F | 58°F | 4.4" |
| December | 34°F | 60°F | 46°F | 2.7" |
| Index | Highland Village | Texas | National |
| Air quality index | 54 | 52 | 50 |
| Pollution index | 967,579 | 4,642,916 | 5,066,862 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 156 |
| Days with moderate air quality | 176 |
| Days w/ poor A.Q. for sensitive groups | 32 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City, State | Population | Air Quality Index | National Avg. |
| Addison, TX | 15,363 | 54 | 8% |
| Bristol, TX | 372 | 54 | 8% |
| Copper Canyon, TX | 1,348 | 54 | 8% |
| Denton, TX | 128,421 | 54 | 8% |
| Flower Mound, TX | 69,966 | 54 | 8% |
| Highland Village, TX | 16,020 | 54 | 8% |
| City, State | Population | Air Quality Index | National Avg. |
| Clayton, MO | 16,034 | 60 | 20% |
| Easthampton Town, MA | 16,042 | 39 | 22% |
| Brunswick, GA | 15,997 | 31 | 38% |
| Crawfordsville, IN | 15,996 | 52 | 4% |
| Cedar Mill, OR | 15,993 | 38 | 24% |
| Highland Village, TX | 16,020 | 54 | 8% |