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Weather & Climate in Monticello, UT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Monticello experiences four distinct seasons with an average annual temperature of 47°F (9°C). Winters average 27°F in January while summers reach 70°F in July. The area gets 330 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 15.7 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 7,021 feet.
Temperature
27°F Jan (-3°C)
70°F Jul (21°C)
| Annual Average | 47.3°F |
| 12% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 7,021 ft (2,140 m) |
| Area | 3.6 sq mi (9.4 km²) |
| Population Density | 579/sq mi |
| Coordinates | 37.8685°N, 109.3362°W |
| Timezone | America/Denver |
| County | San Juan County County |
| Nearest Airport | Canyonlands Regional (CNY) 65 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 26.8 / 100 |
| Social Vulnerability | 91.4 / 100 |
| Community Resilience | 1.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively High |
| Volcano | Very Low |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
87 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Mar 4, 2019 | 29 km E of La Sal, Utah | M4.5 | 59 km | 1 km |
| Sep 13, 1994 | 17 km N of Sawpit, Colorado | M4.4 | 123 km | 10 km |
| May 27, 2000 | 29 km WNW of Naturita, Colorado | M4.4 | 61 km | 10 km |
| Jan 24, 2013 | 22 km E of La Sal, Utah | M3.9 | 59 km | 1 km |
| Mar 1, 2016 | 34 km N of Halls Crossing, Utah | M3.8 | 115 km | 15 km |
| May 31, 2022 | 37 km ENE of Thompson Springs, Utah | M3.8 | 133 km | 7 km |
| Jul 6, 1999 | 27 km WNW of Naturita, Colorado | M3.7 | 61 km | 2 km |
| Apr 22, 2017 | 4 km SSW of Bluff, Utah | M3.7 | 72 km | 9 km |
| Jun 3, 1999 | 28 km E of La Sal, Utah | M3.7 | 59 km | 1 km |
| Jun 6, 2008 | 10 km NE of Bluff, Utah | M3.6 | 58 km | 12 km |
| Mar 10, 2023 | 16 km S of Ophir, Colorado | M3.6 | 132 km | 7 km |
| Oct 14, 1993 | 36 km SW of Spanish Valley, Utah | M3.6 | 62 km | 5 km |
| Aug 2, 1991 | 59 km WNW of Blanding, Utah | M3.4 | 69 km | 6 km |
| Jun 25, 1991 | 10 km W of Oljato-Monument Valley, Utah | M3.4 | 131 km | 0 km |
| Apr 3, 2025 | 34 km W of Delta, Colorado | M3.2 | 120 km | 5 km |
| Dec 15, 1997 | 7 km ENE of La Sal, Utah | M3.2 | 53 km | 6 km |
| Feb 24, 1993 | 16 km SSE of Monticello, Utah | M3.1 | 16 km | -1 km |
| May 13, 1993 | 19 km SSE of Monticello, Utah | M3.1 | 19 km | -3 km |
| Mar 15, 2000 | Colorado | M3.1 | 58 km | -1 km |
| Jun 6, 2002 | 29 km E of La Sal, Utah | M3.0 | 65 km | -1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
9 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.
| Date | Rating | Distance | Path | Fatalities |
| Apr 25, 1985 | EF2 | 88 km | 0.5 mi | 0 |
| Oct 4, 2005 | EF1 | 65 km | 0.7 mi | 0 |
| Sep 5, 1970 | EF1 | 75 km | 1.5 mi | 0 |
| Jun 6, 2015 | EF0 | 97 km | 28.7 mi | 0 |
| Jul 18, 2011 | EF0 | 91 km | 0.3 mi | 0 |
| Oct 6, 2010 | EF0 | 94 km | 1.2 mi | 0 |
| Sep 22, 2006 | EF0 | 81 km | 0.2 mi | 0 |
| Apr 18, 2000 | EF0 | 86 km | 0.5 mi | 0 |
| Aug 31, 1986 | EF0 | 86 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BULL DRAW (37,178 acres, 2018).
| Year | Name | Acres Burned | Distance |
| 2018 | BULL DRAW | 37,178 | 93 km |
| 2002 | BURN CANYON | 30,573 | 81 km |
| 2018 | PLATEAU | 19,746 | 81 km |
| 2021 | PACK CREEK | 8,859 | 66 km |
| 2009 | NARRAGUINNEP | 7,798 | 63 km |
| 2019 | DOE CANYON | 7,388 | 59 km |
| 1986 | UNNAMED | 6,205 | 58 km |
| 2012 | SUNRISE MINE | 5,905 | 72 km |
| 2002 | CANYONS COMPLEX (HANG DOG) | 5,668 | 61 km |
| 1986 | WESTTOE | 5,397 | 86 km |
| 1986 | HOGAN | 5,298 | 79 km |
| 2000 | CONE MOUNTAIN | 4,708 | 87 km |
| 2004 | CAMPBELL | 4,429 | 91 km |
| 2002 | CANYONS COMPLEX (HAMMOND) | 3,859 | 41 km |
| 2008 | PORCUPINE RANCH | 3,768 | 77 km |
| 1996 | DISAPPOINTMENT | 3,642 | 68 km |
| 1984 | FERNANDO | 3,419 | 84 km |
| 2019 | PEAVINE CANYON | 3,265 | 50 km |
| 1994 | WILLOW BASIN | 2,910 | 68 km |
| 1987 | AZTECTHREE | 2,857 | 98 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 1.5 in | |
| February | 29°F (-2°C) | 1.1 in | |
| March | 34°F (1°C) | 1.4 in | |
| April | 41°F (5°C) | 1.0 in | |
| May | 51°F (10°C) | 1.0 in | |
| June | 60°F (16°C) | 0.6 in | Driest |
| July | 70°F (21°C) | 1.8 in | Warmest |
| August | 65°F (18°C) | 1.9 in | Wettest |
| September | 57°F (14°C) | 1.7 in | |
| October | 46°F (8°C) | 1.7 in | |
| November | 34°F (1°C) | 1.5 in | |
| December | 26°F (-3°C) | 1.5 in | Coldest |
Monticello has a seasonal temperature swing of 44°F / from 26°F in December to 70°F in July. Total annual precipitation is 16.7 inches, with August being the wettest month (1.9") and June the driest (0.6").