| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 38°F | 60°F | 48°F | 3.6" |
| February | 42°F | 63°F | 51°F | 2.8" |
| March | 49°F | 71°F | 59°F | 4.3" |
| April | 56°F | 79°F | 67°F | 3.8" |
| May | 64°F | 84°F | 73°F | 4.4" |
| June | 72°F | 92°F | 81°F | 3.9" |
| July | 75°F | 95°F | 83°F | 2.8" |
| August | 75°F | 96°F | 84°F | 3.5" |
| September | 68°F | 90°F | 78°F | 3.1" |
| October | 57°F | 81°F | 67°F | 4.4" |
| November | 48°F | 70°F | 58°F | 3.4" |
| December | 41°F | 61°F | 49°F | 4.0" |
| Index | Tyler | Texas | National |
| Air quality index | 36 | 52 | 42 |
| Pollution index | 3,084,680 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 326 |
| Days with moderate air quality | 37 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.040% |
| Mercury | 0.020% |
| City | Population | Air Quality Index | National Avg. |
| Troup, TX | 2,034 | 36 | 28.0% |
| Chandler, TX | 3,085 | 36 | 28.0% |
| Noonday, TX | 465 | 36 | 28.0% |
| Whitehouse, TX | 8,673 | 36 | 28.0% |
| Emerald Bay, TX | 1,023 | 36 | 28.0% |
| Tyler, TX | 105,859 | 36 | 28.0% |
| City | Population | Air Quality Index | National Avg. |
| West Covina, CA | 105,808 | 72 | 44.0% |
| Davie, FL | 105,594 | 41 | 18.0% |
| Santa Maria, CA | 105,528 | 46 | 8.0% |
| Chatham-Kent, ON | 105,414 | n/a | |
| Columbia, MD | 105,412 | 46 | 8.0% |
| Tyler, TX | 105,859 | 36 | 28.0% |
Here are the best places to live in Texas
Top 10 cities in Texas with the best education system
Top 10 best public schools in Tyler
10 Best cities in Texas for employment