| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 46°F | 31°F | 4.5" |
| February | 20°F | 48°F | 33°F | 1.1" |
| March | 29°F | 59°F | 43°F | 2.3" |
| April | 35°F | 64°F | 48°F | 3.0" |
| May | 43°F | 72°F | 56°F | 4.6" |
| June | 54°F | 85°F | 69°F | 3.1" |
| July | 59°F | 88°F | 72°F | 8.4" |
| August | 57°F | 84°F | 69°F | 5.6" |
| September | 50°F | 79°F | 63°F | 4.2" |
| October | 38°F | 68°F | 51°F | 2.9" |
| November | 28°F | 57°F | 41°F | 1.4" |
| December | 18°F | 45°F | 30°F | 2.2" |
| Index | Florence | Colorado | National |
| Air quality index | 16 | 38 | 42 |
| Pollution index | 5,848,210 | 2,068,342 | 2,726,193 |
| Measurement | Total |
| Days measured | 62 |
| Days with good air quality | 60 |
| Days with moderate air quality | 2 |
| Days w/ poor A.Q. for sensitive groups | |
| Days with unhealthy air quality |
| Pollutant | Total |
| Arsenic | 0.040% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.120% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Cañon City, CO | 16,369 | 16 | 68.0% |
| Williamsburg, CO | 533 | 16 | 68.0% |
| Lincoln Park, CO | 3,559 | 16 | 68.0% |
| Penrose, CO | 3,185 | 16 | 68.0% |
| Brookside, CO | 224 | 16 | 68.0% |
| Florence, CO | 3,913 | 16 | 68.0% |
| City | Population | Air Quality Index | National Avg. |
| Highland Acres, DE | 3,913 | 42 | 16.0% |
| Red Oaks Mill, NY | 3,913 | 36 | 28.0% |
| Parkesburg, PA | 3,913 | 45 | 10.0% |
| Milton, VT | 3,913 | 37 | 26.0% |
| Huxley, IA | 3,912 | 37 | 26.0% |
| Florence, CO | 3,913 | 16 | 68.0% |
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