| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 21°F | 47°F | 33°F | 4.4" |
| February | 26°F | 54°F | 40°F | 1.9" |
| March | 32°F | 64°F | 49°F | 2.6" |
| April | 40°F | 72°F | 56°F | 3.0" |
| May | 49°F | 83°F | 68°F | 1.2" |
| June | 56°F | 93°F | 77°F | 1.8" |
| July | 66°F | 104°F | 87°F | 1.6" |
| August | 62°F | 96°F | 80°F | 2.7" |
| September | 52°F | 87°F | 71°F | 7.6" |
| October | 39°F | 73°F | 56°F | 5.4" |
| November | 25°F | 59°F | 42°F | 8.1" |
| December | 17°F | 44°F | 30°F | 4.0" |
| Index | Lyman | Utah | National |
| Air quality index | 46 | 45 | 42 |
| Pollution index | 488,032 | 3,340,369 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 265 |
| Days with moderate air quality | 99 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.001% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Bicknell, UT | 277 | 46 | 8.0% |
| Torrey, UT | 282 | 46 | 8.0% |
| Fremont, UT | 102 | 46 | 8.0% |
| Loa, UT | 667 | 46 | 8.0% |
| Teasdale, UT | 194 | 46 | 8.0% |
| Lyman, UT | 277 | 46 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| Freedom Acres, AZ | 277 | 60 | 20.0% |
| Goodyear Village, AZ | 277 | 74 | 48.0% |
| Crowley, CO | 277 | 20 | 60.0% |
| Meservey, IA | 277 | 15 | 70.0% |
| Bardolph, IL | 277 | 29 | 42.0% |
| Lyman, UT | 277 | 46 | 8.0% |
Here are the best places to live in Utah
Check out the 10 most dangerous cities in Utah
Most Dangerous States In The US
Check out the 10 safest cities in Utah