| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 35°F | 61°F | 46°F | 2.9" |
| February | 40°F | 65°F | 51°F | 1.6" |
| March | 48°F | 73°F | 59°F | 2.5" |
| April | 56°F | 81°F | 67°F | 3.6" |
| May | 64°F | 86°F | 74°F | 5.6" |
| June | 72°F | 95°F | 83°F | 4.7" |
| July | 76°F | 98°F | 86°F | 1.4" |
| August | 76°F | 99°F | 87°F | 1.9" |
| September | 67°F | 91°F | 78°F | 2.3" |
| October | 56°F | 82°F | 68°F | 3.2" |
| November | 47°F | 71°F | 57°F | 2.1" |
| December | 38°F | 61°F | 48°F | 1.8" |
| Index | DeCordova | Texas | National |
| Air quality index | 33 | 52 | 42 |
| Pollution index | 453,692 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 329 |
| Days with moderate air quality | 33 |
| Days w/ poor A.Q. for sensitive groups | 3 |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.005% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Canyon Creek, TX | 952 | 33 | 34.0% |
| Oak Trail Shores, TX | 2,698 | 33 | 34.0% |
| Western Lake, TX | 509 | 33 | 34.0% |
| Cresson, TX | 993 | 33 | 34.0% |
| Pecan Plantation, TX | 6,627 | 33 | 34.0% |
| DeCordova, TX | 2,981 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Summit Hill, PA | 2,981 | 42 | 16.0% |
| Bal Harbour, FL | 2,980 | 41 | 18.0% |
| East Prairie, MO | 2,980 | 44 | 12.0% |
| Walsenburg, CO | 2,982 | 20 | 60.0% |
| De Leon Springs, FL | 2,982 | 37 | 26.0% |
| DeCordova, TX | 2,981 | 33 | 34.0% |
Here are the best places to live in Texas
See the best places to live in DeCordova
Check out the 10 safest cities in Texas
Most Dangerous States In The US