Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Moapa Valley enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 48°F in January while summers reach 92°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 5.6 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 1,475 feet.
Temperature
48°F Jan (9°C)92°F Jul (33°C)
Annual Average
68.7°F
27% above US avg
January Average
48°F (9°C)
July Average
92°F (33°C)
Sunny Days
330 days/yr
Geography
Elevation
1,475 ft (450 m)
Area
43.7 sq mi (113.2 km²)
Population Density
153/sq mi
Coordinates
36.6040°N, 114.4493°W
Timezone
America/Los_Angeles
County
Clark County County
Nearest Airport
Harry Reid International (LAS) 53 miles away
Precipitation & Snow
Annual Rainfall5.6"
85% below US avg
Snowfall0.0"
Wettest Month (Mar)0.71"
Driest Month (Jun)0.12"
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
570 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
101 km
14 km
May 22, 2015
37 km SSW of Caliente, Nevada
M5.3
79 km
4 km
Jan 27, 1999
39 km NW of Indian Springs, Nevada
M4.8
139 km
5 km
Aug 4, 1992
22 km SE of Alamo, Nevada
M4.6
85 km
5 km
May 16, 2004
30 km ESE of Alamo, Nevada
M4.5
83 km
0 km
Sep 19, 2022
45 km ESE of Littlefield, Arizona
M4.4
85 km
10 km
Jan 25, 1999
37 km NW of Indian Springs, Nevada
M4.4
137 km
5 km
Aug 14, 2024
8 km NW of Indian Springs, Nevada
M4.4
114 km
13 km
Jun 20, 2006
45 km SSW of Caliente, Nevada
M4.4
72 km
0 km
Jun 30, 2008
36 km SSE of Caliente, Nevada
M4.3
82 km
0 km
Mar 24, 2002
41 km SSE of Alamo, Nevada
M4.3
70 km
9 km
Apr 26, 1997
56 km SSW of Rachel, Nevada
M4.3
146 km
5 km
Jan 15, 2016
19 km WSW of Enterprise, Utah
M4.2
111 km
1 km
Jan 2, 1998
9 km S of Alamo, Nevada
M4.2
98 km
5 km
Jun 30, 2019
6 km E of Panaca, Nevada
M4.2
132 km
3 km
Jan 28, 2014
37 km W of Veyo, Utah
M4.1
85 km
7 km
Jul 17, 2017
27 km NW of Indian Springs, Nevada
M4.1
131 km
7 km
Nov 8, 2009
32 km S of Caliente, Nevada
M4.1
81 km
0 km
Jan 29, 2014
37 km W of Veyo, Utah
M4.0
86 km
7 km
Jun 6, 2025
40 km SSW of Caliente, Nevada
M4.0
76 km
4 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
12 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF1.
Date
Rating
Distance
Path
Fatalities
Mar 30, 1992
EF1
79 km
1.5 mi
0
Oct 14, 1989
EF1
80 km
0.2 mi
0
Sep 17, 1989
EF1
18 km
0.5 mi
0
Aug 4, 2014
EF0
94 km
0.1 mi
0
Sep 11, 1998
EF0
80 km
0.1 mi
0
Apr 26, 1994
EF0
80 km
3.0 mi
0
Aug 31, 1992
EF0
98 km
0.3 mi
0
Mar 30, 1992
EF0
76 km
0.5 mi
0
Jan 30, 1990
EF0
53 km
0.2 mi
0
May 28, 1986
EF0
100 km
3.0 mi
0
Jul 22, 1984
EF0
37 km
0.1 mi
0
Aug 20, 1975
EF0
70 km
0.1 mi
0
Aug 12, 1971
EF0
80 km
1.0 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km.
Closest: Uinkaret Field (121 km).
Name
Type
Elevation
Last Eruption
Distance
Uinkaret Field
Volcanic field
1,555 m (5,102 ft)
1100
121 km
Markagunt Plateau
Volcanic field
2,840 m (9,318 ft)
1050
192 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
72 km
2005
DELAMAR
172,390
81 km
2005
SOUTHERN NEVADA COMPLEX (MEADOW VALLEY)
150,019
64 km
2020
MEADOW VALLEY
59,254
68 km
2005
WESTSIDE COMPLEX
58,767
79 km
2006
JARVIS
49,636
77 km
2005
COW
44,460
54 km
2005
FORK
43,665
47 km
1994
GREGERSON
41,233
80 km
2012
DEL FIRE
39,029
79 km
2020
BASIN
38,588
53 km
2005
TWEEDY POINT
36,126
66 km
2012
HOBBLE COMPLEX
35,205
70 km
2003
APEX
31,000
83 km
1993
MEADOW
30,199
68 km
2005
MT BANGS COMPLEX
29,605
46 km
2005
SOUTHERN NEVADA COMPLEX (TRAMP)
27,560
36 km
2006
BULL COMPLEX
27,458
98 km
2005
TANK COMPLEX
24,268
67 km
1999
DELAMAR
22,689
83 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
48°F (9°C)
0.6 in
February
52°F (11°C)
0.6 in
March
58°F (15°C)
0.7 in
Wettest
April
66°F (19°C)
0.3 in
May
76°F (24°C)
0.2 in
June
86°F (30°C)
0.1 in
Driest
July
92°F (33°C)
0.4 in
Warmest
August
90°F (32°C)
0.7 in
September
82°F (28°C)
0.4 in
October
70°F (21°C)
0.4 in
November
56°F (13°C)
0.5 in
December
47°F (8°C)
0.4 in
Coldest
Moapa Valley has a seasonal temperature swing of 45°F / from 47°F in December to 92°F in July. Total annual precipitation is 5.3 inches, with March being the wettest month (0.7") and June the driest (0.1").