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Weather & Climate in Boulder City, NV
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Boulder City has a warm climate with an average annual temperature of 74°F (24°C). Winters average 54°F in January while summers reach 97°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 5.0 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 1,927 feet.
Temperature
54°F Jan (12°C)
97°F Jul (36°C)
| Annual Average | 74.4°F |
| 38% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 97°F (36°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 1,927 ft (587 m) |
| Area | 208.3 sq mi (539.5 km²) |
| Population Density | 70/sq mi |
| Coordinates | 35.8438°N, 114.9116°W |
| Timezone | America/Los_Angeles |
| County | Clark County County |
| Nearest Airport | Harry Reid International (LAS) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.6 / 100 |
| Social Vulnerability | 46.1 / 100 |
| Community Resilience | 6.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | No Rating |
| Earthquake | Relatively High |
| Wildfire | Relatively High |
| Flood | Very High |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very High |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
308 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Jan 27, 1999 | 39 km NW of Indian Springs, Nevada | M4.8 | 145 km | 5 km |
| Aug 14, 2024 | 8 km NW of Indian Springs, Nevada | M4.4 | 115 km | 13 km |
| Jan 25, 1999 | 37 km NW of Indian Springs, Nevada | M4.4 | 143 km | 5 km |
| May 30, 1993 | 43 km WNW of Indian Springs, Nevada | M4.4 | 142 km | 5 km |
| Jun 28, 1992 | 29km WSW of Tecopa, California | M4.3 | 146 km | 5 km |
| Mar 24, 2002 | 41 km SSE of Alamo, Nevada | M4.3 | 129 km | 9 km |
| Jul 17, 2017 | 27 km NW of Indian Springs, Nevada | M4.1 | 133 km | 7 km |
| Nov 30, 1995 | 28 km ESE of Indian Springs, Nevada | M3.9 | 80 km | 5 km |
| Mar 24, 1994 | 47 km W of Indian Springs, Nevada | M3.9 | 146 km | 5 km |
| May 5, 2016 | 35 km SSE of Bunkerville, Nevada | M3.8 | 105 km | 5 km |
| Apr 17, 2016 | 33 km SSE of Bunkerville, Nevada | M3.8 | 109 km | 5 km |
| Jun 29, 2019 | 47 km SSE of Scenic, Arizona | M3.8 | 115 km | 6 km |
| Feb 8, 1993 | 14 km N of Indian Springs, Nevada | M3.8 | 117 km | 5 km |
| Sep 8, 1993 | 19 km W of Sandy Valley, Nevada | M3.8 | 84 km | 10 km |
| May 17, 2025 | 31 km SSE of Bunkerville, Nevada | M3.8 | 110 km | 10 km |
| Jun 29, 1992 | 54km NNW of Pahrump, NV | M3.7 | 146 km | 2 km |
| Jan 23, 1999 | 35 km NW of Indian Springs, Nevada | M3.7 | 141 km | 0 km |
| Mar 27, 2008 | 53 km SE of Scenic, Arizona | M3.7 | 138 km | 5 km |
| Oct 22, 1996 | 20 km SE of Boulder City, Nevada | M3.7 | 24 km | 5 km |
| Mar 10, 1991 | 28 km SSW of Alamo, Nevada | M3.7 | 144 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
16 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Mar 30, 1992 | EF1 | 42 km | 1.5 mi | 0 |
| Oct 14, 1989 | EF1 | 22 km | 0.2 mi | 0 |
| Sep 17, 1989 | EF1 | 95 km | 0.5 mi | 0 |
| Aug 6, 1983 | EF1 | 69 km | 0.2 mi | 0 |
| Sep 18, 1972 | EF1 | 96 km | 0.1 mi | 0 |
| Jun 7, 1964 | EF1 | 87 km | 0.1 mi | 0 |
| Aug 4, 2014 | EF0 | 4 km | 0.1 mi | 0 |
| Sep 11, 1998 | EF0 | 22 km | 0.1 mi | 0 |
| Aug 25, 1998 | EF0 | 60 km | 1.0 mi | 0 |
| Nov 22, 1996 | EF0 | 87 km | 0.1 mi | 0 |
| Nov 22, 1996 | EF0 | 96 km | 0.1 mi | 0 |
| Mar 30, 1992 | EF0 | 42 km | 0.5 mi | 0 |
| Jan 30, 1990 | EF0 | 41 km | 0.2 mi | 0 |
| Jul 22, 1984 | EF0 | 58 km | 0.1 mi | 0 |
| Aug 20, 1975 | EF0 | 25 km | 0.1 mi | 0 |
| Aug 12, 1971 | EF0 | 37 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Nearby Volcanoes
1 volcano within 200 km. Closest: Uinkaret Field (171 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Uinkaret Field | Volcanic field | 1,555 m (5,102 ft) | 1100 | 171 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: YORK (94,736 acres, 2023).
| Year | Name | Acres Burned | Distance |
| 2023 | YORK | 94,736 | 66 km |
| 2005 | HACKBERRY COMPLEX | 69,967 | 92 km |
| 2005 | FORK | 43,665 | 77 km |
| 2020 | DOME | 43,628 | 86 km |
| 2005 | GOODSPRINGS | 33,448 | 51 km |
| 2013 | CARPENTER 1 | 27,879 | 76 km |
| 2005 | SOUTHERN NEVADA COMPLEX (TRAMP) | 27,560 | 87 km |
| 1994 | COYOTE | 24,951 | 50 km |
| 2006 | VEGAS | 21,593 | 99 km |
| 2006 | FWS 9 | 20,441 | 70 km |
| 2005 | PERKINS COMPLEX | 18,064 | 48 km |
| 2005 | TWIN MILLS | 12,244 | 71 km |
| 1994 | TOWERS-1 | 10,253 | 97 km |
| 2005 | SOUTHERN NEVADA COMPLEX (COYOTE) | 9,953 | 73 km |
| 2011 | NEW WATER | 9,951 | 92 km |
| 2006 | BLACK MOUNTAIN COMPLEX | 8,974 | 71 km |
| 2013 | BEAVER | 6,751 | 94 km |
| 1994 | RATTLESNAK | 6,521 | 71 km |
| 1994 | FORT PIUTE | 6,350 | 66 km |
| 1987 | ZIPPER | 6,306 | 61 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 0.7 in | |
| February | 53°F (11°C) | 0.7 in | |
| March | 58°F (15°C) | 0.7 in | |
| April | 66°F (19°C) | 0.2 in | |
| May | 76°F (24°C) | 0.2 in | |
| June | 86°F (30°C) | 0.1 in | Driest |
| July | 97°F (36°C) | 0.5 in | Warmest |
| August | 89°F (32°C) | 0.8 in | Wettest |
| September | 82°F (28°C) | 0.5 in | |
| October | 70°F (21°C) | 0.3 in | |
| November | 56°F (13°C) | 0.4 in | |
| December | 47°F (9°C) | 0.4 in | Coldest |
Boulder City has a seasonal temperature swing of 50°F / from 47°F in December to 97°F in July. Total annual precipitation is 5.4 inches, with August being the wettest month (0.8") and June the driest (0.1").