| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 22°F | 53°F | 36°F | 0.4" |
| February | 23°F | 56°F | 38°F | 0.5" |
| March | 31°F | 66°F | 47°F | 0.9" |
| April | 37°F | 72°F | 53°F | 1.1" |
| May | 46°F | 79°F | 62°F | 2.0" |
| June | 57°F | 91°F | 73°F | 1.6" |
| July | 62°F | 93°F | 76°F | 2.9" |
| August | 60°F | 90°F | 74°F | 3.0" |
| September | 53°F | 84°F | 67°F | 2.5" |
| October | 42°F | 74°F | 56°F | 1.1" |
| November | 31°F | 64°F | 46°F | 0.4" |
| December | 21°F | 52°F | 35°F | 0.6" |
| Index | Texline | Texas | National |
| Air quality index | 44 | 52 | 42 |
| Pollution index | 186,252 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 259 |
| Days with moderate air quality | 96 |
| Days w/ poor A.Q. for sensitive groups | 10 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Clayton, NM | 3,079 | 44 | 12.0% |
| Felt, OK | 105 | 44 | 12.0% |
| Texline, TX | 315 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Woodville, GA | 315 | 44 | 12.0% |
| Frederika, IA | 315 | 39 | 22.0% |
| Wingate, IN | 315 | 42 | 16.0% |
| Wetmore, KS | 315 | 41 | 18.0% |
| Fife Lake, MI | 315 | 36 | 28.0% |
| Texline, TX | 315 | 44 | 12.0% |
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