| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 16°F | 40°F | 26°F | 2.1" |
| February | 23°F | 47°F | 33°F | 1.3" |
| March | 26°F | 57°F | 40°F | 1.5" |
| April | 32°F | 67°F | 49°F | 1.3" |
| May | 39°F | 77°F | 58°F | 1.4" |
| June | 47°F | 85°F | 66°F | 4.9" |
| July | 55°F | 95°F | 75°F | 1.9" |
| August | 54°F | 89°F | 70°F | 2.0" |
| September | 46°F | 81°F | 62°F | 4.7" |
| October | 36°F | 66°F | 48°F | 3.3" |
| November | 24°F | 53°F | 36°F | 1.6" |
| December | 15°F | 35°F | 24°F | 2.4" |
| Index | Rifle | Colorado | National |
| Air quality index | 44 | 38 | 42 |
| Pollution index | 2,173,840 | 2,068,342 | 2,726,193 |
| Measurement | Total |
| Days measured | 364 |
| Days with good air quality | 289 |
| Days with moderate air quality | 75 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Silt, CO | 3,076 | 44 | 12.0% |
| Battlement Mesa, CO | 4,870 | 44 | 12.0% |
| New Castle, CO | 4,877 | 44 | 12.0% |
| Rifle, CO | 9,771 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Ingleside, TX | 9,768 | 42 | 16.0% |
| Paris, KY | 9,776 | 42 | 16.0% |
| Bluefield, WV | 9,776 | 295 | 490.0% |
| Fort Stewart, GA | 9,765 | 39 | 22.0% |
| Peru, IL | 9,777 | 0 | 100.0% |
| Rifle, CO | 9,771 | 44 | 12.0% |
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