| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 45°F | 30°F | n/a |
| February | 19°F | 45°F | 31°F | n/a |
| March | 27°F | 58°F | 42°F | n/a |
| April | 32°F | 63°F | 46°F | n/a |
| May | 40°F | 70°F | 54°F | n/a |
| June | 50°F | 85°F | 67°F | n/a |
| July | 53°F | 86°F | 69°F | n/a |
| August | 51°F | 86°F | 67°F | n/a |
| September | 47°F | 79°F | 61°F | n/a |
| October | 36°F | 66°F | 50°F | n/a |
| November | 28°F | 53°F | 39°F | n/a |
| December | 20°F | 44°F | 31°F | n/a |
| Index | Howard | Colorado | National |
| Air quality index | 16 | 38 | 42 |
| Pollution index | 192,920 | 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. |
| Cotopaxi, CO | 35 | 16 | 68.0% |
| Poncha Springs, CO | 1,069 | 16 | 68.0% |
| Salida, CO | 5,688 | 16 | 68.0% |
| Coaldale, CO | 477 | 16 | 68.0% |
| Smeltertown, CO | 74 | 16 | 68.0% |
| Howard, CO | 794 | 16 | 68.0% |
| City | Population | Air Quality Index | National Avg. |
| Laytonville, CA | 794 | 33 | 34.0% |
| Hoffman, IL | 794 | 43 | 14.0% |
| Leesburg, IN | 794 | 37 | 26.0% |
| Racine, OH | 794 | 25 | 50.0% |
| Conneautville, PA | 794 | 34 | 32.0% |
| Howard, CO | 794 | 16 | 68.0% |