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Weather & Climate in Mesquite, NV
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mesquite enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 45°F in January while summers reach 89°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 5.9 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 1,700 feet.
Temperature
45°F Jan (7°C)
89°F Jul (31°C)
| Annual Average | 65.5°F |
| 21% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 89°F (31°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 1,700 ft (518 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 671/sq mi |
| Coordinates | 36.8111°N, 114.1257°W |
| Timezone | America/Los_Angeles |
| County | Washington County County |
| Nearest Airport | St George Regional (SGU) 37 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.8 / 100 |
| Social Vulnerability | 20.8 / 100 |
| Community Resilience | 45.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Very High |
| Ice Storm | Relatively 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
602 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Sep 2, 1992 | 3 km SSE of Washington, Utah | M5.9 | 64 km | 14 km |
| May 22, 2015 | 37 km SSW of Caliente, Nevada | M5.3 | 71 km | 4 km |
| Aug 4, 1992 | 22 km SE of Alamo, Nevada | M4.6 | 89 km | 5 km |
| May 16, 2004 | 30 km ESE of Alamo, Nevada | M4.5 | 82 km | 0 km |
| Jul 29, 2024 | 24 km S of Brian Head, Utah | M4.5 | 135 km | 20 km |
| Aug 14, 2024 | 8 km NW of Indian Springs, Nevada | M4.4 | 144 km | 13 km |
| Jun 20, 2006 | 45 km SSW of Caliente, Nevada | M4.4 | 67 km | 0 km |
| Sep 19, 2022 | 45 km ESE of Littlefield, Arizona | M4.4 | 58 km | 10 km |
| Mar 24, 2002 | 41 km SSE of Alamo, Nevada | M4.3 | 85 km | 9 km |
| Jun 30, 2008 | 36 km SSE of Caliente, Nevada | M4.3 | 60 km | 0 km |
| Jan 15, 2016 | 19 km WSW of Enterprise, Utah | M4.2 | 80 km | 1 km |
| Jan 2, 1998 | 9 km S of Alamo, Nevada | M4.2 | 105 km | 5 km |
| Jun 30, 2019 | 6 km E of Panaca, Nevada | M4.2 | 110 km | 3 km |
| Jun 29, 1992 | 12 km WNW of Cedar City, Utah | M4.2 | 131 km | -3 km |
| Jun 29, 1992 | 12 km WNW of Cedar City, Utah | M4.2 | 129 km | 7 km |
| Jan 28, 2014 | 37 km W of Veyo, Utah | M4.1 | 57 km | 7 km |
| Nov 8, 2009 | 32 km S of Caliente, Nevada | M4.1 | 65 km | 0 km |
| Jan 4, 2010 | 8 km S of Cedar City, Utah | M4.1 | 129 km | 9 km |
| Jan 29, 2014 | 37 km W of Veyo, Utah | M4.0 | 57 km | 7 km |
| Jun 6, 2025 | 40 km SSW of Caliente, Nevada | M4.0 | 68 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
7 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1.
| Date | Rating | Distance | Path | Fatalities |
| Sep 17, 1989 | EF1 | 48 km | 0.5 mi | 0 |
| Jul 24, 2012 | EF0 | 90 km | 0.7 mi | 0 |
| Aug 24, 2011 | EF0 | 90 km | 1.1 mi | 0 |
| Apr 26, 1994 | EF0 | 46 km | 3.0 mi | 0 |
| Aug 31, 1992 | EF0 | 62 km | 0.3 mi | 0 |
| Jan 30, 1990 | EF0 | 88 km | 0.2 mi | 0 |
| Jul 22, 1984 | EF0 | 73 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Uinkaret Field (101 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Uinkaret Field | Volcanic field | 1,555 m (5,102 ft) | 1100 | 101 km |
| Markagunt Plateau | Volcanic field | 2,840 m (9,318 ft) | 1050 | 155 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: SOUTHERN NEVADA COMPLEX (DUZAK) (327,156 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | SOUTHERN NEVADA COMPLEX (DUZAK) | 327,156 | 50 km |
| 2005 | DELAMAR | 172,390 | 78 km |
| 2005 | SOUTHERN NEVADA COMPLEX (MEADOW VALLEY) | 150,019 | 59 km |
| 2020 | MEADOW VALLEY | 59,254 | 61 km |
| 2005 | WESTSIDE COMPLEX | 58,767 | 44 km |
| 2006 | JARVIS | 49,636 | 40 km |
| 2005 | COW | 44,460 | 35 km |
| 2005 | FORK | 43,665 | 65 km |
| 1994 | GREGERSON | 41,233 | 80 km |
| 2012 | DEL FIRE | 39,029 | 81 km |
| 2020 | BASIN | 38,588 | 37 km |
| 2005 | TWEEDY POINT | 36,126 | 45 km |
| 2012 | HOBBLE COMPLEX | 35,205 | 47 km |
| 2004 | HAWKINS | 34,259 | 78 km |
| 2003 | APEX | 31,000 | 47 km |
| 1993 | MEADOW | 30,199 | 61 km |
| 2005 | MT BANGS COMPLEX | 29,605 | 20 km |
| 2005 | SOUTHERN NEVADA COMPLEX (TRAMP) | 27,560 | 50 km |
| 2006 | BULL COMPLEX | 27,458 | 67 km |
| 2005 | TANK COMPLEX | 24,268 | 62 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 0.8 in | |
| February | 50°F (10°C) | 0.8 in | |
| March | 55°F (13°C) | 0.9 in | Wettest |
| April | 63°F (17°C) | 0.4 in | |
| May | 73°F (23°C) | 0.3 in | |
| June | 82°F (28°C) | 0.2 in | Driest |
| July | 89°F (31°C) | 0.6 in | Warmest |
| August | 87°F (31°C) | 0.8 in | |
| September | 80°F (26°C) | 0.6 in | |
| October | 67°F (20°C) | 0.5 in | |
| November | 54°F (12°C) | 0.6 in | |
| December | 45°F (7°C) | 0.6 in | Coldest |
Mesquite has a seasonal temperature swing of 44°F / from 45°F in December to 89°F in July. Total annual precipitation is 7.1 inches, with March being the wettest month (0.9") and June the driest (0.2").