| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 53°F | 41°F | 4.6" |
| February | 36°F | 61°F | 47°F | 1.8" |
| March | 43°F | 70°F | 55°F | 2.5" |
| April | 49°F | 77°F | 62°F | 1.2" |
| May | 59°F | 87°F | 72°F | 1.2" |
| June | 69°F | 99°F | 85°F | 2.1" |
| July | 76°F | 103°F | 89°F | 3.2" |
| August | 72°F | 100°F | 85°F | 2.1" |
| September | 65°F | 93°F | 78°F | 1.3" |
| October | 52°F | 79°F | 64°F | 3.3" |
| November | 40°F | 65°F | 51°F | 0.9" |
| December | 31°F | 51°F | 40°F | 1.9" |
| Index | Hurricane | Utah | National |
| Air quality index | 44 | 45 | 42 |
| Pollution index | 1,560,380 | 3,340,369 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 291 |
| Days with moderate air quality | 74 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.000% |
| Lead | 0.010% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Toquerville, UT | 1,689 | 44 | 12.0% |
| Virgin, UT | 707 | 44 | 12.0% |
| Apple Valley, UT | 983 | 44 | 12.0% |
| Washington, UT | 28,192 | 44 | 12.0% |
| Leeds, UT | 652 | 44 | 12.0% |
| Hurricane, UT | 18,112 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Upper Grand Lagoon, FL | 18,114 | 38 | 24.0% |
| Buckhall, VA | 18,116 | 47 | 6.0% |
| Manchester, MO | 18,102 | 54 | 8.0% |
| Idylwood, VA | 18,099 | 47 | 6.0% |
| North Aurora, IL | 18,089 | 55 | 10.0% |
| Hurricane, UT | 18,112 | 44 | 12.0% |
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