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Weather & Climate in Millville, UT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Millville experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 22°F in January while summers reach 71°F in July. The area gets 316 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 17.8 inches (drier than the 38-inch national average). The area receives 51.6 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 4,641 feet.
Temperature
22°F Jan (-6°C)
71°F Jul (22°C)
| Annual Average | 46.1°F |
| 15% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 71°F (22°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 4,641 ft (1,415 m) |
| Area | 2.1 sq mi (5.5 km²) |
| Population Density | 708/sq mi |
| Coordinates | 41.6852°N, 111.8212°W |
| Timezone | America/Denver |
| County | Cache County County |
| Nearest Airport | Brigham City Regional (BMC) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 66.5 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 76.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,309 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Feb 3, 1994 | 4 km SSE of Auburn, Wyoming | M5.8 | 139 km | 8 km |
| Mar 18, 2020 | 5 km NNE of Magna, Utah | M5.7 | 106 km | 12 km |
| Apr 21, 2001 | 29 km WSW of Freedom, Idaho | M5.3 | 142 km | 1 km |
| Sep 2, 2017 | 12 km E of Soda Springs, Idaho | M5.3 | 111 km | 10 km |
| Sep 10, 2017 | 9 km NNW of Georgetown, Idaho | M5.0 | 103 km | 10 km |
| Apr 15, 2010 | 9 km NE of Randolph, Utah | M4.9 | 61 km | 10 km |
| Feb 11, 1994 | 3 km SSE of Auburn, Wyoming | M4.8 | 138 km | 5 km |
| Sep 10, 2017 | 12 km ESE of Soda Springs, Idaho | M4.7 | 107 km | 5 km |
| Feb 4, 1994 | 4 km WNW of Fairview, Wyoming | M4.7 | 131 km | 5 km |
| Sep 3, 2017 | 15 km ESE of Soda Springs, Idaho | M4.7 | 108 km | 10 km |
| Sep 11, 2017 | 9 km NW of Georgetown, Idaho | M4.7 | 101 km | 8 km |
| Sep 3, 2017 | 10 km E of Soda Springs, Idaho | M4.7 | 110 km | 8 km |
| Nov 4, 1992 | 67 km ENE of Montello, Nevada | M4.7 | 138 km | 9 km |
| Sep 6, 2017 | 11 km NNW of Georgetown, Idaho | M4.6 | 103 km | 10 km |
| Mar 18, 2020 | 6 km NNE of Magna, Utah | M4.6 | 105 km | 9 km |
| Mar 18, 2020 | 5 km NE of Magna, Utah | M4.6 | 106 km | 11 km |
| Sep 4, 2017 | 13 km ESE of Soda Springs, Idaho | M4.5 | 109 km | 6 km |
| Feb 7, 1994 | 4 km SW of Fairview, Wyoming | M4.5 | 127 km | 5 km |
| Jan 26, 2018 | 5 km NNW of Georgetown, Idaho | M4.4 | 101 km | 10 km |
| Feb 3, 1994 | 2 km SW of Auburn, Wyoming | M4.4 | 138 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
41 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 16 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 14, 1968 | EF2 | 53 km | 1.5 mi | 0 |
| Jun 3, 1963 | EF2 | 90 km | 2.0 mi | 0 |
| Sep 2, 2021 | EF1 | 93 km | 2.1 mi | 0 |
| Sep 22, 2016 | EF1 | 60 km | 2.9 mi | 0 |
| Aug 20, 1998 | EF1 | 59 km | 0.1 mi | 0 |
| May 29, 1996 | EF1 | 45 km | 1.3 mi | 0 |
| Jun 2, 1993 | EF1 | 96 km | 1.0 mi | 0 |
| Sep 23, 1992 | EF1 | 70 km | 2.0 mi | 0 |
| Sep 17, 1989 | EF1 | 35 km | 0.2 mi | 0 |
| May 29, 1987 | EF1 | 33 km | 0.2 mi | 0 |
| May 21, 1986 | EF1 | 82 km | 0.5 mi | 0 |
| May 21, 1986 | EF1 | 64 km | 5.0 mi | 0 |
| Jun 30, 1982 | EF1 | 46 km | 1.2 mi | 0 |
| May 6, 1981 | EF1 | 25 km | 0.5 mi | 0 |
| Jun 23, 1965 | EF1 | 60 km | 0.6 mi | 0 |
| May 25, 1954 | EF1 | 44 km | 0.5 mi | 0 |
| May 28, 2018 | EF0 | 81 km | 0.1 mi | 0 |
| Jul 7, 2013 | EF0 | 74 km | 1.0 mi | 0 |
| May 3, 2009 | EF0 | 36 km | 1.0 mi | 0 |
| Jul 25, 2007 | EF0 | 34 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1909 | UTAH | Earthquake | 3.6 m | — | 74 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Wapi Lava Field (176 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: STONE 2 (50,677 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | STONE 2 | 50,677 | 93 km |
| 2001 | UNNAMED | 38,647 | 61 km |
| 1994 | ELEVATOR | 31,854 | 57 km |
| 2013 | STATE | 31,011 | 58 km |
| 2016 | BROAD MOUTH | 21,009 | 45 km |
| 1996 | GOLDEN SPIKE | 16,186 | 62 km |
| 2007 | CLEVELAND | 16,172 | 69 km |
| 2016 | WEST ANTELOPE | 15,483 | 91 km |
| 1999 | BRIDGER BA | 15,227 | 75 km |
| 2018 | GORING | 14,538 | 48 km |
| 2018 | NORTH EDEN | 14,398 | 70 km |
| 2007 | RED CANYON RX BURN-H | 13,464 | 88 km |
| 2000 | TAYLOR | 12,633 | 76 km |
| 1988 | METCALF | 11,946 | 81 km |
| 1994 | DRY CANYON 2 | 10,927 | 45 km |
| 1994 | HANSEL VALLEY MT. | 8,695 | 61 km |
| 1998 | POCATELLO VALLEY | 8,483 | 78 km |
| 1994 | JOHNSON CANYON | 8,244 | 42 km |
| 2017 | STREAM | 8,107 | 93 km |
| 1992 | COW HOLLOW 2 | 8,069 | 99 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 1.5 in | Coldest |
| February | 25°F (-4°C) | 1.4 in | |
| March | 32°F (-0°C) | 1.7 in | |
| April | 39°F (4°C) | 1.8 in | |
| May | 48°F (9°C) | 2.0 in | Wettest |
| June | 57°F (14°C) | 1.3 in | |
| July | 71°F (22°C) | 1.1 in | Warmest, Driest |
| August | 64°F (18°C) | 1.1 in | |
| September | 55°F (13°C) | 1.5 in | |
| October | 44°F (7°C) | 1.7 in | |
| November | 32°F (-0°C) | 1.6 in | |
| December | 22°F (-5°C) | 1.5 in |
Millville has a seasonal temperature swing of 49°F / from 22°F in January to 71°F in July. Total annual precipitation is 18.2 inches, with May being the wettest month (2.0") and July the driest (1.1").