| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 7°F | 33°F | 19°F | 1.1" |
| February | 12°F | 37°F | 24°F | 0.9" |
| March | 20°F | 47°F | 33°F | 1.1" |
| April | 27°F | 55°F | 40°F | 1.8" |
| May | 34°F | 64°F | 48°F | 1.5" |
| June | 42°F | 78°F | 60°F | 0.7" |
| July | 48°F | 81°F | 64°F | 2.1" |
| August | 46°F | 78°F | 61°F | 1.5" |
| September | 39°F | 72°F | 54°F | 1.4" |
| October | 29°F | 59°F | 42°F | 1.5" |
| November | 19°F | 48°F | 32°F | 0.8" |
| December | 10°F | 34°F | 21°F | 1.1" |
| Index | Basalt | Colorado | National |
| Air quality index | 44 | 38 | 42 |
| Pollution index | 750,947 | 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 | 0.020% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.020% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Mulford, CO | 512 | 44 | 12.0% |
| Snowmass Village, CO | 2,786 | 44 | 12.0% |
| Catherine, CO | 219 | 44 | 12.0% |
| Woody Creek, CO | 212 | 44 | 12.0% |
| Carbondale, CO | 6,658 | 44 | 12.0% |
| Basalt, CO | 3,941 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Waverly, NE | 3,941 | 31 | 38.0% |
| Prince Albert No. 461, SK | 3,940 | n/a | |
| Williamston, MI | 3,939 | 36 | 28.0% |
| Holloman AFB, NM | 3,943 | 10 | 80.0% |
| Putnam Lake, NY | 3,943 | 36 | 28.0% |
| Basalt, CO | 3,941 | 44 | 12.0% |
Here are the best places to live in Colorado
Most Dangerous Cities In The US
Check out the 10 most dangerous cities in Colorado
See the best places to live in Basalt