| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 51°F | 35°F | 3.7" |
| February | 30°F | 59°F | 41°F | 1.2" |
| March | 35°F | 66°F | 48°F | 6.8" |
| April | 39°F | 71°F | 53°F | 2.1" |
| May | 51°F | 79°F | 63°F | 6.5" |
| June | 58°F | 88°F | 72°F | 16.4" |
| July | 61°F | 90°F | 75°F | 3.5" |
| August | 63°F | 90°F | 74°F | 10.3" |
| September | 58°F | 86°F | 70°F | 2.8" |
| October | 46°F | 76°F | 59°F | 0.0" |
| November | 33°F | 67°F | 47°F | 0.4" |
| December | 26°F | 56°F | 38°F | 2.6" |
| Index | Sudan | Texas | National |
| Air quality index | 25 | 52 | 42 |
| Pollution index | 254,818 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 330 |
| Days with good air quality | 316 |
| Days with moderate air quality | 13 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Muleshoe, TX | 5,555 | 25 | 50.0% |
| Amherst, TX | 1,050 | 25 | 50.0% |
| Springlake, TX | 80 | 25 | 50.0% |
| Littlefield, TX | 5,900 | 25 | 50.0% |
| Earth, TX | 1,081 | 25 | 50.0% |
| Sudan, TX | 1,071 | 25 | 50.0% |
| City | Population | Air Quality Index | National Avg. |
| Powell, AL | 1,071 | 39 | 22.0% |
| Lazy Acres, CO | 1,071 | 47 | 6.0% |
| Dasher, GA | 1,071 | 35 | 30.0% |
| Cambria, IL | 1,071 | 43 | 14.0% |
| Grandview, IN | 1,071 | 43 | 14.0% |
| Sudan, TX | 1,071 | 25 | 50.0% |
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