| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 55°F | 44°F | 2.4" |
| February | 40°F | 61°F | 49°F | 3.3" |
| March | 48°F | 73°F | 59°F | 10.1" |
| April | 53°F | 79°F | 65°F | 22.9" |
| May | 63°F | 83°F | 72°F | 10.7" |
| June | 70°F | 93°F | 80°F | 11.0" |
| July | 71°F | 94°F | 81°F | 3.9" |
| August | 73°F | 93°F | 82°F | 15.4" |
| September | 69°F | 92°F | 79°F | 4.8" |
| October | 55°F | 80°F | 67°F | 4.7" |
| November | 45°F | 72°F | 57°F | 4.0" |
| December | 34°F | 61°F | 45°F | 1.3" |
| Index | Tuscola | Texas | National |
| Air quality index | 33 | 52 | 42 |
| Pollution index | 2,550,610 | 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 | 0.002% |
| Benzene | 0.030% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.020% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Lawn, TX | 341 | 33 | 34.0% |
| Buffalo Gap, TX | 623 | 33 | 34.0% |
| Potosi, TX | 4,085 | 33 | 34.0% |
| Tuscola, TX | 721 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Alta, CA | 721 | 44 | 12.0% |
| Hoboken, GA | 721 | 36 | 28.0% |
| Athol, ID | 721 | 43 | 14.0% |
| South Wilmington, IL | 721 | 0 | 100.0% |
| Tamms, IL | 721 | 44 | 12.0% |
| Tuscola, TX | 721 | 33 | 34.0% |