| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 16°F | 40°F | 27°F | 0.7" |
| February | 18°F | 40°F | 28°F | 0.5" |
| March | 28°F | 53°F | 39°F | 1.9" |
| April | 33°F | 56°F | 43°F | 2.5" |
| May | 41°F | 66°F | 52°F | 9.1" |
| June | 49°F | 77°F | 62°F | 6.2" |
| July | 60°F | 90°F | 74°F | 3.9" |
| August | 56°F | 85°F | 69°F | 1.5" |
| September | 47°F | 76°F | 60°F | 1.3" |
| October | 37°F | 62°F | 48°F | 4.2" |
| November | 26°F | 50°F | 37°F | 0.9" |
| December | 15°F | 36°F | 26°F | 0.5" |
| Index | Clearmont | Wyoming | National |
| Air quality index | 39 | 39 | 42 |
| Pollution index | 562,118 | 1,779,975 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 325 |
| Days with moderate air quality | 40 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.002% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Arvada, WY | 28 | 39 | 22.0% |
| Clearmont, WY | 153 | 39 | 22.0% |
| City | Population | Air Quality Index | National Avg. |
| Port Graham, AK | 153 | 31 | 38.0% |
| Day, FL | 153 | 38 | 24.0% |
| Palmer, IA | 153 | 37 | 26.0% |
| Rutland, IA | 153 | 37 | 26.0% |
| Salamonia, IN | 153 | 35 | 30.0% |
| Clearmont, WY | 153 | 39 | 22.0% |