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Weather & Climate in Coalville, UT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Coalville experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 26°F in January while summers reach 69°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 16.4 inches (drier than the 38-inch national average). The area receives 70.1 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 6,362 feet.
Temperature
26°F Jan (-3°C)
69°F Jul (20°C)
| Annual Average | 46.6°F |
| 14% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 6,362 ft (1,939 m) |
| Area | 6.2 sq mi (16.0 km²) |
| Population Density | 310/sq mi |
| Coordinates | 40.9073°N, 111.4214°W |
| Timezone | America/Denver |
| County | Salt Lake County County |
| Nearest Airport | Salt Lake City International (SLC) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 66.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Relatively High |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
435 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Mar 18, 2020 | 5 km NNE of Magna, Utah | M5.7 | 58 km | 12 km |
| Apr 15, 2010 | 9 km NE of Randolph, Utah | M4.9 | 94 km | 10 km |
| Mar 18, 2020 | 6 km NNE of Magna, Utah | M4.6 | 57 km | 9 km |
| Mar 18, 2020 | 5 km NE of Magna, Utah | M4.6 | 56 km | 11 km |
| May 5, 2024 | 16 km SW of Thatcher, Utah | M4.4 | 112 km | 7 km |
| Apr 16, 2020 | 4 km NE of Magna, Utah | M4.2 | 57 km | 10 km |
| Mar 18, 2020 | 1 km NNW of Magna, Utah | M4.2 | 61 km | 9 km |
| Apr 15, 2020 | 4 km NE of Magna, Utah | M4.2 | 57 km | 9 km |
| Mar 16, 1992 | 6 km S of Herriman, Utah | M4.2 | 73 km | 12 km |
| Mar 7, 2000 | 7 km N of Helper, Utah | M4.2 | 137 km | -3 km |
| May 25, 2016 | 15 km NNE of Tabiona, Utah | M4.0 | 80 km | 16 km |
| Mar 18, 2020 | 4 km NNE of Magna, Utah | M4.0 | 58 km | 7 km |
| Jun 3, 2009 | 5 km WNW of Riverside, Utah | M4.0 | 120 km | 9 km |
| Mar 23, 2020 | 8 km NNE of Magna, Utah | M3.9 | 55 km | 10 km |
| May 1, 2025 | 4 km WNW of Independence, Utah | M3.9 | 66 km | 14 km |
| Mar 18, 2020 | 4 km NNE of Magna, Utah | M3.9 | 58 km | 9 km |
| May 4, 2024 | 16 km SW of Thatcher, Utah | M3.9 | 112 km | 6 km |
| Sep 24, 2019 | 5 km ENE of Howell, Utah | M3.9 | 129 km | 7 km |
| Mar 18, 2020 | 6 km NE of Magna, Utah | M3.9 | 56 km | 10 km |
| Jun 28, 1990 | 11 km NNE of Howell, Utah | M3.8 | 137 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
50 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 fatality, 96 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 11, 1999 | EF2 | 43 km | 4.3 mi | 1 |
| Aug 14, 1968 | EF2 | 67 km | 1.5 mi | 0 |
| Feb 9, 1965 | EF2 | 61 km | 0.1 mi | 0 |
| Jun 3, 1963 | EF2 | 39 km | 2.0 mi | 0 |
| May 10, 1950 | EF2 | 89 km | 2.0 mi | 0 |
| Sep 2, 2021 | EF1 | 43 km | 2.1 mi | 0 |
| Sep 22, 2016 | EF1 | 57 km | 2.9 mi | 0 |
| Aug 20, 1998 | EF1 | 35 km | 0.1 mi | 0 |
| May 29, 1996 | EF1 | 63 km | 1.3 mi | 0 |
| Jun 2, 1993 | EF1 | 43 km | 1.0 mi | 0 |
| May 3, 1993 | EF1 | 81 km | 0.1 mi | 0 |
| Sep 23, 1992 | EF1 | 58 km | 2.0 mi | 0 |
| Jul 25, 1991 | EF1 | 79 km | 10.0 mi | 0 |
| Jul 8, 1989 | EF1 | 53 km | 0.2 mi | 0 |
| Mar 2, 1989 | EF1 | 62 km | 0.2 mi | 0 |
| Jan 10, 1989 | EF1 | 53 km | 0.2 mi | 0 |
| Dec 2, 1970 | EF1 | 58 km | 1.0 mi | 0 |
| Aug 14, 1968 | EF1 | 42 km | 0.1 mi | 0 |
| Apr 17, 1966 | EF1 | 85 km | 0.1 mi | 0 |
| Jul 9, 1965 | EF1 | 61 km | 0.4 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 | — | 146 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: EAST FORK (106,432 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | EAST FORK | 106,432 | 77 km |
| 2018 | DOLLAR RIDGE | 69,817 | 100 km |
| 2000 | CASTLEROCK | 16,718 | 91 km |
| 2016 | WEST ANTELOPE | 15,483 | 66 km |
| 1999 | BRIDGER BA | 15,227 | 96 km |
| 2020 | TABBY CANYON | 14,330 | 91 km |
| 2002 | GARDEN VALLEY COMPLEX (EAST FORK) | 14,245 | 58 km |
| 2020 | KNOLLS | 12,948 | 84 km |
| 1994 | DRY CANYON 2 | 10,927 | 83 km |
| 2019 | GOOSE POINT | 9,186 | 99 km |
| 2001 | BEEF HOLLOW | 9,062 | 69 km |
| 2007 | MM COMPLEX | 8,767 | 85 km |
| 1999 | WEST MOUNTAIN II | 8,476 | 98 km |
| 1996 | SOLDIER PASS | 8,010 | 86 km |
| 2003 | CASCADE II | 7,943 | 52 km |
| 1998 | FAUST | 6,957 | 100 km |
| 1996 | TABBY MOUNTAIN | 6,626 | 91 km |
| 2017 | LONG RIDGE | 6,500 | 98 km |
| 2003 | CHERRY CREEK 2 | 6,443 | 78 km |
| 2010 | WINDMILL | 5,935 | 71 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 1.3 in | |
| February | 27°F (-3°C) | 1.3 in | |
| March | 34°F (1°C) | 1.5 in | |
| April | 41°F (5°C) | 1.7 in | Wettest |
| May | 50°F (10°C) | 1.7 in | |
| June | 58°F (15°C) | 1.2 in | |
| July | 69°F (20°C) | 1.1 in | Warmest, Driest |
| August | 64°F (18°C) | 1.1 in | |
| September | 56°F (13°C) | 1.5 in | |
| October | 45°F (7°C) | 1.6 in | |
| November | 33°F (0°C) | 1.7 in | |
| December | 24°F (-5°C) | 1.4 in | Coldest |
Coalville has a seasonal temperature swing of 45°F / from 24°F in December to 69°F in July. Total annual precipitation is 17.0 inches, with April being the wettest month (1.7") and July the driest (1.1").