| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 45°F | 66°F | 54°F | 2.9" |
| February | 49°F | 69°F | 58°F | 4.5" |
| March | 57°F | 75°F | 65°F | 5.9" |
| April | 63°F | 80°F | 71°F | 4.7" |
| May | 69°F | 85°F | 76°F | 10.5" |
| June | 74°F | 90°F | 82°F | 5.0" |
| July | 76°F | 92°F | 83°F | 7.6" |
| August | 76°F | 93°F | 84°F | 13.4" |
| September | 72°F | 89°F | 80°F | 7.6" |
| October | 64°F | 84°F | 73°F | 9.0" |
| November | 55°F | 75°F | 64°F | 4.4" |
| December | 49°F | 67°F | 57°F | 4.6" |
| Index | Vanderbilt | Texas | National |
| Air quality index | 31 | 52 | 42 |
| Pollution index | 322,924 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 341 |
| Days with good air quality | 319 |
| Days with moderate air quality | 22 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.005% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Port Lavaca, TX | 12,015 | 31 | 38.0% |
| Point Comfort, TX | 576 | 31 | 38.0% |
| Inez, TX | 2,668 | 31 | 38.0% |
| Edna, TX | 5,729 | 31 | 38.0% |
| La Ward, TX | 308 | 31 | 38.0% |
| Vanderbilt, TX | 631 | 31 | 38.0% |
| City | Population | Air Quality Index | National Avg. |
| Dearing, GA | 631 | 47 | 6.0% |
| Goldfield, IA | 631 | 15 | 70.0% |
| Britton, MI | 631 | 39 | 22.0% |
| Glenville, MN | 631 | 15 | 70.0% |
| Lake Park, MN | 631 | 33 | 34.0% |
| Vanderbilt, TX | 631 | 31 | 38.0% |
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