| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 39°F | 68°F | 52°F | 0.8" |
| February | 43°F | 74°F | 57°F | 0.5" |
| March | 51°F | 81°F | 65°F | 1.2" |
| April | 59°F | 87°F | 72°F | 2.3" |
| May | 66°F | 91°F | 78°F | 4.0" |
| June | 73°F | 97°F | 85°F | 2.2" |
| July | 76°F | 98°F | 86°F | 1.9" |
| August | 76°F | 99°F | 87°F | 2.9" |
| September | 70°F | 93°F | 81°F | 3.3" |
| October | 60°F | 86°F | 72°F | 1.8" |
| November | 49°F | 76°F | 61°F | 0.8" |
| December | 40°F | 67°F | 52°F | 0.8" |
| Index | Amistad | Texas | National |
| Air quality index | 25 | 52 | 42 |
| Pollution index | 351,490 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 339 |
| Days with good air quality | 287 |
| Days with moderate air quality | 51 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Lake View, TX | 67 | 25 | 50.0% |
| Box Canyon, TX | 68 | 25 | 50.0% |
| Cienegas Terrace, TX | 2,598 | 25 | 50.0% |
| Amistad, TX | 58 | 25 | 50.0% |
| City | Population | Air Quality Index | National Avg. |
| Ventana, AZ | 58 | 74 | 48.0% |
| Carrick, CA | 58 | 42 | 16.0% |
| Jeisyville, IL | 58 | 40 | 20.0% |
| Bethany, IN | 58 | 54 | 8.0% |
| Soldier, KS | 58 | 41 | 18.0% |
| Amistad, TX | 58 | 25 | 50.0% |
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