| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | -4°F | 24°F | 8°F | 1.5" |
| February | 3°F | 31°F | 16°F | 1.2" |
| March | 17°F | 45°F | 29°F | 5.8" |
| April | 25°F | 56°F | 40°F | 1.3" |
| May | 33°F | 65°F | 49°F | 1.8" |
| June | 40°F | 78°F | 60°F | 2.3" |
| July | 48°F | 81°F | 64°F | 3.8" |
| August | 45°F | 78°F | 61°F | 4.2" |
| September | 37°F | 72°F | 53°F | 2.4" |
| October | 26°F | 60°F | 42°F | 1.9" |
| November | 15°F | 47°F | 29°F | 0.9" |
| December | 4°F | 30°F | 16°F | 1.6" |
| Index | Maysville | Colorado | National |
| Air quality index | 16 | 38 | 42 |
| Pollution index | 187,673 | 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 | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Garfield, CO | 0 | 16 | 68.0% |
| Poncha Springs, CO | 1,041 | 16 | 68.0% |
| Salida, CO | 5,543 | 16 | 68.0% |
| Smeltertown, CO | 72 | 16 | 68.0% |
| Maysville, CO | 101 | 16 | 68.0% |
| City | Population | Air Quality Index | National Avg. |
| Whale Pass, AK | 101 | 20 | 60.0% |
| Deer Park, AL | 101 | 42 | 16.0% |
| Hilltop, GA | 101 | 52 | 4.0% |
| Pleasant Plain, IA | 101 | 35 | 30.0% |
| Wallace, IN | 101 | 42 | 16.0% |
| Maysville, CO | 101 | 16 | 68.0% |
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