| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 41°F | 59°F | 48°F | 8.4" |
| February | 43°F | 62°F | 52°F | 4.5" |
| March | 51°F | 71°F | 60°F | 10.6" |
| April | 54°F | 75°F | 64°F | 2.9" |
| May | 64°F | 83°F | 72°F | 10.4" |
| June | 72°F | 90°F | 80°F | 8.5" |
| July | 73°F | 91°F | 81°F | 6.3" |
| August | 74°F | 95°F | 84°F | 4.5" |
| September | 71°F | 92°F | 80°F | 10.6" |
| October | 58°F | 82°F | 69°F | 7.6" |
| November | 50°F | 73°F | 60°F | 4.0" |
| December | 39°F | 63°F | 50°F | 3.7" |
| Index | Trinidad | Texas | National |
| Air quality index | 41 | 52 | 42 |
| Pollution index | 1,309,490 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 275 |
| Days with moderate air quality | 80 |
| Days w/ poor A.Q. for sensitive groups | 7 |
| Days with unhealthy air quality | 3 |
| Pollutant | Total |
| Arsenic | 0.430% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.390% |
| City | Population | Air Quality Index | National Avg. |
| Kerens, TX | 1,795 | 41 | 18.0% |
| Star Harbor, TX | 521 | 41 | 18.0% |
| Gun Barrel City, TX | 6,160 | 41 | 18.0% |
| Tool, TX | 2,633 | 41 | 18.0% |
| Log Cabin, TX | 869 | 41 | 18.0% |
| Trinidad, TX | 839 | 41 | 18.0% |
| City | Population | Air Quality Index | National Avg. |
| Tulelake, CA | 839 | 29 | 42.0% |
| Dayton, IA | 839 | 37 | 26.0% |
| Horseshoe Bend, ID | 839 | 36 | 28.0% |
| Brownstown, IL | 839 | 40 | 20.0% |
| Ventress, LA | 839 | 45 | 10.0% |
| Trinidad, TX | 839 | 41 | 18.0% |
Here are the best places to live in Texas
These are the 10 cheapest cities in Texas
Safest States In The US
Check out the 10 most dangerous cities in Texas