| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 13°F | 40°F | 26°F | 0.3" |
| February | 15°F | 41°F | 27°F | 0.5" |
| March | 25°F | 55°F | 38°F | 0.7" |
| April | 30°F | 60°F | 44°F | 1.7" |
| May | 38°F | 69°F | 52°F | 2.8" |
| June | 48°F | 83°F | 65°F | 1.3" |
| July | 56°F | 92°F | 73°F | 0.9" |
| August | 53°F | 89°F | 70°F | 1.0" |
| September | 43°F | 80°F | 60°F | 0.8" |
| October | 32°F | 63°F | 46°F | 1.0" |
| November | 22°F | 52°F | 36°F | 0.3" |
| December | 11°F | 38°F | 24°F | 0.4" |
| Index | Manville | Wyoming | National |
| Air quality index | 19 | 39 | 42 |
| Pollution index | 106,337 | 1,779,975 | 2,726,193 |
| Measurement | Total |
| Days measured | 113 |
| Days with good air quality | 110 |
| Days with moderate air quality | 3 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.001% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Lusk, WY | 1,589 | 19 | 62.0% |
| Manville, WY | 107 | 19 | 62.0% |
| City | Population | Air Quality Index | National Avg. |
| Newhalen, AK | 107 | 31 | 38.0% |
| Casa, AR | 107 | 38 | 24.0% |
| Fifty-Six, AR | 107 | 36 | 28.0% |
| Timber Cove, CA | 107 | 34 | 32.0% |
| Bark Ranch, CO | 107 | 47 | 6.0% |
| Manville, WY | 107 | 19 | 62.0% |
Here are the best places to live in Wyoming
See the best places to live in Manville
Check out the 10 safest cities in Wyoming
Check out the 10 most dangerous cities in Wyoming