| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 23°F | 52°F | 35°F | 1.9" |
| February | 25°F | 55°F | 38°F | 1.2" |
| March | 34°F | 67°F | 48°F | 1.5" |
| April | 41°F | 74°F | 55°F | 4.4" |
| May | 50°F | 81°F | 64°F | 5.3" |
| June | 62°F | 92°F | 76°F | 2.8" |
| July | 65°F | 93°F | 78°F | 5.3" |
| August | 64°F | 91°F | 76°F | 4.9" |
| September | 56°F | 85°F | 69°F | 4.7" |
| October | 44°F | 74°F | 57°F | 6.3" |
| November | 33°F | 63°F | 46°F | 1.7" |
| December | 24°F | 50°F | 35°F | 1.3" |
| Index | Cactus | Texas | National |
| Air quality index | 44 | 52 | 42 |
| Pollution index | 534,646 | 2,009,300 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 259 |
| Days with moderate air quality | 96 |
| Days w/ poor A.Q. for sensitive groups | 10 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.004% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Dumas, TX | 14,042 | 44 | 12.0% |
| Sunray, TX | 2,255 | 44 | 12.0% |
| Cactus, TX | 3,252 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Pottsville, AR | 3,252 | 38 | 24.0% |
| Lockport, LA | 3,252 | 41 | 18.0% |
| Lake Junaluska, NC | 3,252 | 44 | 12.0% |
| Wilbraham, MA | 3,251 | 40 | 20.0% |
| Hillsboro, MO | 3,251 | 54 | 8.0% |
| Cactus, TX | 3,252 | 44 | 12.0% |
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