| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 48°F | 71°F | 60°F | 11.8" |
| February | 53°F | 76°F | 65°F | 25.2" |
| March | 60°F | 84°F | 72°F | 44.6" |
| April | 67°F | 91°F | 79°F | 3.7" |
| May | 72°F | 95°F | 84°F | 10.0" |
| June | 77°F | 100°F | 90°F | 25.6" |
| July | 78°F | 100°F | 90°F | 38.6" |
| August | 79°F | 102°F | 91°F | 20.8" |
| September | 75°F | 95°F | 86°F | 31.9" |
| October | 67°F | 89°F | 79°F | 3.7" |
| November | 58°F | 80°F | 69°F | 6.9" |
| December | 50°F | 70°F | 60°F | 5.1" |
| Index | El Cenizo CDP | Texas | National |
| Air quality index | 41 | 52 | 42 |
| Pollution index | 2,768,160 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 258 |
| Days with moderate air quality | 106 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Laredo, TX | 260,571 | 41 | 18.0% |
| Laredo Ranchettes West, TX | 0 | 41 | 18.0% |
| San Carlos I, TX | 309 | 41 | 18.0% |
| Rio Bravo, TX | 4,686 | 41 | 18.0% |
| Los Altos, TX | 141 | 41 | 18.0% |
| El Cenizo CDP, TX | 506 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Dutton, AL | 506 | 39 | 22.0% |
| St. Florian, AL | 506 | 37 | 26.0% |
| Maynard, IA | 506 | 39 | 22.0% |
| Reynolds, IN | 506 | 42 | 16.0% |
| Richland, IN | 506 | 43 | 14.0% |
| El Cenizo CDP, TX | 506 | 41 | 18.0% |
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