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Weather & Climate in Randolph, UT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Randolph has a cool climate with an average annual temperature of 39°F (4°C). Winters average 16°F in January while summers reach 64°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 14.4 inches (drier than the 38-inch national average). The area receives 70.8 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 6,289 feet.
Temperature
16°F Jan (-9°C)
64°F Jul (18°C)
| Annual Average | 39.4°F |
| 27% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 6,289 ft (1,917 m) |
| Area | 1.0 sq mi (2.7 km²) |
| Population Density | 598/sq mi |
| Coordinates | 41.6655°N, 111.1846°W |
| Timezone | America/Denver |
| County | Rich County County |
| Nearest Airport | Brigham City Regional (BMC) 46 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 0.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 38.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,349 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 | 123 km | 8 km |
| Mar 18, 2020 | 5 km NNE of Magna, Utah | M5.7 | 126 km | 12 km |
| Sep 2, 2017 | 12 km E of Soda Springs, Idaho | M5.3 | 111 km | 10 km |
| Apr 21, 2001 | 29 km WSW of Freedom, Idaho | M5.3 | 141 km | 1 km |
| Sep 10, 2017 | 9 km NNW of Georgetown, Idaho | M5.0 | 102 km | 10 km |
| Apr 15, 2010 | 9 km NE of Randolph, Utah | M4.9 | 9 km | 10 km |
| Feb 11, 1994 | 3 km SSE of Auburn, Wyoming | M4.8 | 123 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 | 117 km | 5 km |
| Sep 3, 2017 | 15 km ESE of Soda Springs, Idaho | M4.7 | 107 km | 10 km |
| Sep 11, 2017 | 9 km NW of Georgetown, Idaho | M4.7 | 100 km | 8 km |
| Sep 3, 2017 | 10 km E of Soda Springs, Idaho | M4.7 | 111 km | 8 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 | 125 km | 9 km |
| Mar 18, 2020 | 5 km NE of Magna, Utah | M4.6 | 125 km | 11 km |
| Feb 7, 1994 | 4 km SW of Fairview, Wyoming | M4.5 | 111 km | 5 km |
| Sep 4, 2017 | 13 km ESE of Soda Springs, Idaho | M4.5 | 109 km | 6 km |
| Jan 26, 2018 | 5 km NNW of Georgetown, Idaho | M4.4 | 98 km | 10 km |
| Feb 3, 1994 | 2 km SW of Auburn, Wyoming | M4.4 | 124 km | 5 km |
| Feb 3, 1994 | 13 km WSW of Auburn, Wyoming | M4.4 | 118 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
37 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 14 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 14, 1968 | EF2 | 88 km | 1.5 mi | 0 |
| May 10, 1950 | EF2 | 84 km | 2.0 mi | 0 |
| Sep 22, 2016 | EF1 | 89 km | 2.9 mi | 0 |
| Jul 10, 2001 | EF1 | 89 km | 5.0 mi | 0 |
| Aug 20, 1998 | EF1 | 55 km | 0.1 mi | 0 |
| May 29, 1996 | EF1 | 77 km | 1.3 mi | 0 |
| Sep 23, 1992 | EF1 | 99 km | 2.0 mi | 0 |
| Sep 17, 1989 | EF1 | 72 km | 0.2 mi | 0 |
| May 29, 1987 | EF1 | 65 km | 0.2 mi | 0 |
| May 21, 1986 | EF1 | 95 km | 0.5 mi | 0 |
| Jun 30, 1982 | EF1 | 75 km | 1.2 mi | 0 |
| May 6, 1981 | EF1 | 71 km | 0.5 mi | 0 |
| Jun 23, 1965 | EF1 | 19 km | 0.6 mi | 0 |
| May 25, 1954 | EF1 | 21 km | 0.5 mi | 0 |
| Jul 7, 2013 | EF0 | 64 km | 1.0 mi | 0 |
| May 3, 2009 | EF0 | 77 km | 1.0 mi | 0 |
| Jul 25, 2007 | EF0 | 83 km | 0.3 mi | 0 |
| Jun 10, 1998 | EF0 | 73 km | 0.1 mi | 0 |
| Jun 4, 1998 | EF0 | 93 km | 0.1 mi | 0 |
| May 21, 1998 | EF0 | 96 km | 0.1 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 | — | 127 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BROAD MOUTH (21,009 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | BROAD MOUTH | 21,009 | 95 km |
| 2007 | CLEVELAND | 16,172 | 86 km |
| 1999 | BRIDGER BA | 15,227 | 22 km |
| 2000 | FONTENELLE | 14,894 | 79 km |
| 2018 | GORING | 14,538 | 99 km |
| 2018 | NORTH EDEN | 14,398 | 35 km |
| 2002 | GARDEN VALLEY COMPLEX (EAST FORK) | 14,245 | 97 km |
| 2007 | RED CANYON RX BURN-H | 13,464 | 35 km |
| 1994 | DRY CANYON 2 | 10,927 | 8 km |
| 1994 | JOHNSON CANYON | 8,244 | 93 km |
| 2010 | POLE CREEK STANDS | 6,900 | 66 km |
| 2010 | WINDMILL | 5,935 | 52 km |
| 1988 | LITTLEBRYN | 5,300 | 49 km |
| 2008 | PINTAIL FLAT | 5,178 | 98 km |
| 2012 | HELLS HOLLOW | 4,758 | 29 km |
| 2005 | ROCK CREEK RX | 4,302 | 40 km |
| 1994 | EDGAR CANYON | 4,260 | 25 km |
| 2018 | ROUGH CANYON | 3,986 | 96 km |
| 1992 | PIONEER | 3,972 | 95 km |
| 1999 | EAGLE CANYON | 3,936 | 73 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.9 in | Coldest |
| February | 21°F (-6°C) | 0.7 in | Driest |
| March | 30°F (-1°C) | 0.8 in | |
| April | 38°F (3°C) | 1.1 in | |
| May | 47°F (8°C) | 1.3 in | Wettest |
| June | 56°F (13°C) | 1.1 in | |
| July | 64°F (18°C) | 0.9 in | Warmest |
| August | 62°F (16°C) | 0.9 in | |
| September | 53°F (12°C) | 1.3 in | |
| October | 42°F (6°C) | 1.2 in | |
| November | 29°F (-2°C) | 1.0 in | |
| December | 19°F (-7°C) | 0.8 in |
Randolph has a seasonal temperature swing of 48°F / from 16°F in January to 64°F in July. Total annual precipitation is 12.1 inches, with May being the wettest month (1.3") and February the driest (0.7").