| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 42°F | 67°F | 53°F | 2.4" |
| February | 47°F | 71°F | 57°F | 1.2" |
| March | 54°F | 78°F | 64°F | 2.5" |
| April | 60°F | 84°F | 71°F | 2.4" |
| May | 67°F | 89°F | 77°F | 4.4" |
| June | 73°F | 95°F | 83°F | 1.8" |
| July | 75°F | 97°F | 84°F | 2.3" |
| August | 75°F | 99°F | 86°F | 2.9" |
| September | 71°F | 93°F | 81°F | 3.2" |
| October | 62°F | 86°F | 73°F | 2.4" |
| November | 53°F | 76°F | 63°F | 1.5" |
| December | 45°F | 67°F | 55°F | 1.8" |
| Index | Sandy Oaks | Texas | National |
| Air quality index | 49 | 52 | 42 |
| Pollution index | 24,182,700 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 196 |
| Days with moderate air quality | 163 |
| Days w/ poor A.Q. for sensitive groups | 5 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.310% |
| Benzene | 0.310% |
| Carbon Tetrachloride | 0.080% |
| Lead | 0.140% |
| Mercury | 0.230% |
| City | Population | Air Quality Index | National Avg. |
| Lackland AFB, TX | 5,679 | 49 | 2.0% |
| Somerset, TX | 1,821 | 49 | 2.0% |
| Elmendorf, TX | 1,583 | 49 | 2.0% |
| Von Ormy, TX | 1,022 | 49 | 2.0% |
| Poteet, TX | 3,462 | 49 | 2.0% |
| Sandy Oaks, TX | 4,611 | 49 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Silverthorne, CO | 4,610 | 47 | 6.0% |
| Newport, NC | 4,610 | 37 | 26.0% |
| Danville, PA | 4,613 | 35 | 30.0% |
| Lake Goodwin, WA | 4,613 | 24 | 52.0% |
| Altona, MB | 4,613 | n/a | |
| Sandy Oaks, TX | 4,611 | 49 | 2.0% |
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