| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 24°F | 54°F | 37°F | 1.4" |
| February | 27°F | 56°F | 40°F | 1.1" |
| March | 38°F | 69°F | 51°F | 1.2" |
| April | 46°F | 75°F | 59°F | 3.1" |
| May | 54°F | 82°F | 67°F | 2.8" |
| June | 66°F | 92°F | 79°F | 1.7" |
| July | 69°F | 95°F | 82°F | 3.3" |
| August | 67°F | 93°F | 80°F | 1.9" |
| September | 59°F | 87°F | 72°F | 1.6" |
| October | 46°F | 76°F | 60°F | 2.6" |
| November | 35°F | 65°F | 48°F | 5.3" |
| December | 26°F | 52°F | 37°F | 0.8" |
| Index | Wheeler | Texas | National |
| Air quality index | 44 | 52 | 42 |
| Pollution index | 266,616 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 259 |
| Days with moderate air quality | 96 |
| Days w/ poor A.Q. for sensitive groups | 10 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Mobeetie, TX | 71 | 44 | 12.0% |
| Wheeler, TX | 1,556 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Baldwin, FL | 1,556 | 43 | 14.0% |
| Monrovia, MD | 1,556 | 40 | 20.0% |
| Brownsboro, TX | 1,556 | 36 | 28.0% |
| Red Corral, CA | 1,557 | 39 | 22.0% |
| Mio, MI | 1,555 | 36 | 28.0% |
| Wheeler, TX | 1,556 | 44 | 12.0% |
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