| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 19°F | 41°F | 30°F | 2.8" |
| February | 22°F | 45°F | 33°F | 0.8" |
| March | 27°F | 52°F | 40°F | 1.0" |
| April | 31°F | 56°F | 44°F | 2.8" |
| May | 40°F | 65°F | 54°F | 2.6" |
| June | 46°F | 76°F | 63°F | 3.1" |
| July | 53°F | 84°F | 71°F | 1.8" |
| August | 53°F | 81°F | 67°F | 7.4" |
| September | 46°F | 76°F | 61°F | 1.4" |
| October | 36°F | 67°F | 51°F | 1.3" |
| November | 28°F | 57°F | 42°F | 0.8" |
| December | 17°F | 40°F | 28°F | 1.2" |
| Index | Monument | Colorado | National |
| Air quality index | 45 | 38 | 42 |
| Pollution index | 1,130,190 | 2,068,342 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 259 |
| Days with moderate air quality | 106 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Cascade-Chipita Park, CO | 973 | 45 | 10.0% |
| Perry Park, CO | 1,893 | 45 | 10.0% |
| Palmer Lake, CO | 3,023 | 45 | 10.0% |
| Green Mountain Falls, CO | 703 | 45 | 10.0% |
| Cimarron Hills, CO | 19,384 | 45 | 10.0% |
| Monument, CO | 7,974 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Wynne, AR | 7,975 | 45 | 10.0% |
| South Cleveland, TN | 7,971 | 1 | 98.0% |
| Joshua Tree, CA | 7,980 | 89 | 78.0% |
| Odessa, FL | 7,980 | 43 | 14.0% |
| Pomona, NJ | 7,980 | 37 | 26.0% |
| Monument, CO | 7,974 | 45 | 10.0% |