| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 59°F | 46°F | 7.3" |
| February | 40°F | 63°F | 50°F | 3.6" |
| March | 48°F | 71°F | 59°F | 3.7" |
| April | 55°F | 78°F | 66°F | 6.6" |
| May | 62°F | 84°F | 73°F | 6.5" |
| June | 71°F | 93°F | 82°F | 7.0" |
| July | 74°F | 96°F | 85°F | 4.2" |
| August | 74°F | 97°F | 85°F | 5.7" |
| September | 66°F | 90°F | 77°F | 5.4" |
| October | 55°F | 80°F | 67°F | 10.9" |
| November | 47°F | 69°F | 57°F | 3.2" |
| December | 38°F | 60°F | 48°F | 3.7" |
| Index | Crowley | Texas | National |
| Air quality index | 33 | 52 | 42 |
| Pollution index | 453,692 | 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 | 0.000% |
| Benzene | 0.005% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Alvarado, TX | 4,282 | 33 | 34.0% |
| Godley, TX | 1,080 | 33 | 34.0% |
| Aledo, TX | 4,767 | 33 | 34.0% |
| Edgecliff Village, TX | 3,007 | 33 | 34.0% |
| Briaroaks, TX | 718 | 33 | 34.0% |
| Crowley, TX | 15,972 | 33 | 34.0% |
| City | Population | Air Quality Index | National Avg. |
| Hope Mills, NC | 15,972 | 41 | 18.0% |
| Center Point, AL | 15,971 | 53 | 6.0% |
| Brunswick, ME | 15,974 | 31 | 38.0% |
| Cherryland, CA | 15,976 | 43 | 14.0% |
| Floral Park, NY | 15,979 | 51 | 2.0% |
| Crowley, TX | 15,972 | 33 | 34.0% |
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