| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 56°F | 45°F | 6.3" |
| February | 40°F | 62°F | 50°F | 1.6" |
| March | 49°F | 72°F | 59°F | 11.3" |
| April | 53°F | 75°F | 63°F | 13.0" |
| May | 64°F | 82°F | 73°F | 7.5" |
| June | 71°F | 91°F | 81°F | 13.7" |
| July | 72°F | 93°F | 82°F | 9.9" |
| August | 74°F | 96°F | 85°F | 5.1" |
| September | 69°F | 93°F | 81°F | 11.7" |
| October | 56°F | 82°F | 68°F | 4.3" |
| November | 47°F | 72°F | 59°F | 5.6" |
| December | 35°F | 61°F | 47°F | 1.9" |
| Index | Roanoke | Texas | National |
| Air quality index | 51 | 52 | 42 |
| Pollution index | 1,399,310 | 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 | 0.003% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Sansom Park, TX | 5,593 | 33 | 34.0% |
| Pecan Acres, TX | 4,245 | 33 | 34.0% |
| Lake Worth, TX | 4,932 | 33 | 34.0% |
| Bedford, TX | 49,145 | 51 | 2.0% |
| Hurst, TX | 38,783 | 51 | 2.0% |
| Roanoke, TX | 8,810 | 51 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Oxford, NC | 8,812 | 44 | 12.0% |
| Quakertown, PA | 8,807 | 42 | 16.0% |
| Miramar Beach, FL | 8,815 | 31 | 38.0% |
| Scott, LA | 8,815 | 41 | 18.0% |
| Canonsburg, PA | 8,815 | 56 | 12.0% |
| Roanoke, TX | 8,810 | 51 | 2.0% |
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