| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 46°F | 72°F | 58°F | 1.2" |
| February | 50°F | 75°F | 61°F | 4.0" |
| March | 57°F | 85°F | 69°F | 1.6" |
| April | 65°F | 92°F | 77°F | 11.0" |
| May | 71°F | 95°F | 82°F | 5.0" |
| June | 75°F | 100°F | 86°F | 3.5" |
| July | 76°F | 99°F | 87°F | 7.2" |
| August | 76°F | 100°F | 87°F | 12.0" |
| September | 72°F | 94°F | 82°F | 7.8" |
| October | 63°F | 88°F | 75°F | 4.1" |
| November | 54°F | 81°F | 66°F | 1.2" |
| December | 48°F | 70°F | 57°F | 4.5" |
| Index | Roma Creek | Texas | National |
| Air quality index | 42 | 52 | 42 |
| Pollution index | 7,136,530 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 243 |
| Days with moderate air quality | 120 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.080% |
| Carbon Tetrachloride | 0.010% |
| Lead | 0.020% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Anacua, TX | 0 | 42 | 16.0% |
| Chapeno, TX | 0 | 42 | 16.0% |
| H. Cuellar Estates, TX | 123 | 42 | 16.0% |
| La Escondida, TX | 280 | 42 | 16.0% |
| Rio Grande City, TX | 14,411 | 42 | 16.0% |
| Roma Creek, TX | 448 | 42 | 16.0% |
| City | Population | Air Quality Index | National Avg. |
| Grubbs, AR | 448 | 45 | 10.0% |
| Prattsville, AR | 448 | 45 | 10.0% |
| Andrew, IA | 448 | 42 | 16.0% |
| Badger, IA | 448 | 37 | 26.0% |
| Marquette, IA | 448 | 29 | 42.0% |
| Roma Creek, TX | 448 | 42 | 16.0% |
Here are the best places to live in Texas
Most Dangerous Cities In The US
These are the 10 cheapest cities in Texas
Check out the 10 safest cities in Texas