| 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 | Gleneagle | Colorado | National |
| Air quality index | 45 | 38 | 42 |
| Pollution index | 2,937,580 | 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 | 0.020% |
| Benzene | 0.040% |
| Carbon Tetrachloride | 0.004% |
| Lead | 0.040% |
| Mercury | 0.004% |
| City | Population | Air Quality Index | National Avg. |
| Cascade-Chipita Park, CO | 943 | 45 | 10.0% |
| Perry Park, CO | 1,821 | 45 | 10.0% |
| Monument, CO | 7,691 | 45 | 10.0% |
| Green Mountain Falls, CO | 685 | 45 | 10.0% |
| Cimarron Hills, CO | 18,981 | 45 | 10.0% |
| Gleneagle, CO | 6,256 | 45 | 10.0% |
| City | Population | Air Quality Index | National Avg. |
| Durham, CA | 6,255 | 46 | 8.0% |
| Brookville, OH | 6,255 | 47 | 6.0% |
| Pelican Bay, FL | 6,257 | 34 | 32.0% |
| Abilene, KS | 6,258 | 32 | 36.0% |
| Dayton, MN | 6,258 | 46 | 8.0% |
| Gleneagle, CO | 6,256 | 45 | 10.0% |
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