| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 40°F | 63°F | 50°F | 4.6" |
| February | 43°F | 66°F | 53°F | 3.4" |
| March | 50°F | 74°F | 61°F | 3.9" |
| April | 57°F | 81°F | 68°F | 3.7" |
| May | 64°F | 86°F | 74°F | 5.5" |
| June | 71°F | 93°F | 81°F | 4.1" |
| July | 73°F | 94°F | 83°F | 3.6" |
| August | 73°F | 96°F | 83°F | 4.1" |
| September | 68°F | 91°F | 78°F | 3.1" |
| October | 57°F | 82°F | 68°F | 4.3" |
| November | 48°F | 72°F | 59°F | 3.8" |
| December | 42°F | 63°F | 51°F | 3.8" |
| Index | Zavalla | Texas | National |
| Air quality index | 45 | 52 | 42 |
| Pollution index | 2,736,170 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 234 |
| Days with moderate air quality | 122 |
| Days w/ poor A.Q. for sensitive groups | 8 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.030% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Huntington, TX | 3,171 | 36 | 28.0% |
| Sam Rayburn, TX | 1,036 | 45 | 10.0% |
| Broaddus, TX | 268 | 45 | 10.0% |
| Zavalla, TX | 677 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Butte Creek Canyon, CA | 677 | 46 | 8.0% |
| Pippa Passes, KY | 677 | 45 | 10.0% |
| Highland Holiday, OH | 677 | 47 | 6.0% |
| Jefferson, SD | 677 | 35 | 30.0% |
| Albion, WA | 677 | 18 | 64.0% |
| Zavalla, TX | 677 | 45 | 10.0% |
Here are the best places to live in Texas
See the best places to live in Zavalla
Check out the 10 safest cities in Texas
These are the largest cities in Texas