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Sierra Vista, AZ

Full City Profile · Arizona · Santa Cruz County County

3.4 /5.0
B Good
45,203 Population 297/sq mi density
$69,783 Median Income $38,109 per capita
$239,000 Home Value $297,915 Zillow
$1,110 Median Rent 28.2% income on rent
62°F Avg Temperature 330 sunny days/yr
262 Violent Crime/100K 2,227 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$69,783 median income, 2.7% unemployment
A+
Affordability
4.8 / 5.0
$239,000 home value, $1,110/mo rent
F
Safety
1.0 / 5.0
262 violent crimes/100K
B+
Education
3.8 / 5.0
35.0% bachelor's degree or higher
Sierra Vista enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 45°F in January while summers reach 77°F in July. The area gets 330 sunny days per year. Annual precipitation totals 13.0 inches. The area receives 0.4 inches of snow annually. Air quality is rated Good with a median AQI of 45.

Temperature

45°F Jan (7°C) 77°F Jul (25°C)
Annual Average61.6°F
14% above US avg
January Average45°F (7°C)
July Average77°F (25°C)
Sunny Days330 days/yr

Geography

Elevation4,613 ft (1,406 m)
Area152.4 sq mi (394.8 km²)
Population Density297/sq mi
Coordinates31.5654°N, 110.3145°W
TimezoneAmerica/Phoenix
CountySanta Cruz County County
Nearest AirportNogales International (OLS)
33 miles away

Precipitation & Snow

Annual Rainfall 13.0"
66% below US avg
Snowfall 0.4"
Wettest Month (Jul) 3.70"
Driest Month (May) 0.20"

Air Quality

AQI Median45.0
RatingGood

Air Pollutants (EPA 2023)

PM2.5 (Fine Particles)7.5 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score88.3 / 100
Social Vulnerability92.3 / 100
Community Resilience2.3 / 100

Hazard Breakdown

Tornado Very Low
Hurricane Very Low
Earthquake Very Low
Wildfire Relatively High
Flood Relatively Moderate
Hail Very Low
Strong Wind Relatively Low
Heat Wave Relatively High
Winter Weather Very Low
Lightning Relatively High
Drought Relatively Low
Cold Wave No Rating
Landslide Relatively Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

10 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M2.6 on Aug 9, 2025.

Oct 16, 1999 10 km ESE of Imuris, Mexico M4.5 100 km
Oct 31, 1990 29 km E of Fronteras, Mexico M3.8 126 km
Mar 10, 1992 33 km WNW of Bavispe, Mexico M3.5 146 km
Apr 22, 2020 28 km SSW of Rodeo, New Mexico M3.5 114 km
Feb 27, 2018 32 km E of Esqueda, Mexico M3.4 138 km
Sep 28, 2023 21 km E of Tanque Verde, Arizona M3.1 75 km
Aug 26, 2017 33 km SE of Agua Prieta, Mexico M3.0 110 km
Jan 31, 2018 35 km ENE of Fronteras, Mexico M3.0 118 km
Jan 4, 2020 22 km SSW of Rodeo, New Mexico M2.8 111 km
Aug 9, 2025 14 km ENE of Willow Canyon, Arizona M2.6 99 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

33 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2. Total: 3 fatalities, 58 injuries.

Date Rating Distance Fatalities
Aug 27, 1964 EF2 97 km 2
Jul 2, 2024 EF1 80 km 0
Sep 23, 2019 EF1 88 km 0
Jul 6, 1992 EF1 94 km 0
Jul 16, 1984 EF1 86 km 0
Jul 16, 1984 EF1 96 km 0
Jun 23, 1974 EF1 92 km 1
Sep 1, 1971 EF1 77 km 0
Jul 17, 1971 EF1 89 km 0
Jul 16, 1971 EF1 2 km 0
Aug 16, 1969 EF1 74 km 0
Jul 28, 1966 EF1 45 km 0
Jul 27, 1961 EF1 81 km 0
Aug 25, 2022 EF0 82 km 0
Jul 29, 2017 EF0 29 km 0
Sep 22, 2015 EF0 44 km 0
Aug 29, 2015 EF0 72 km 0
Aug 15, 2014 EF0 83 km 0
May 9, 2012 EF0 62 km 0
Nov 29, 2009 EF0 68 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: MURPHY COMPLEX (64,407 ac, 2011).

Year Name Acres Distance
2011 MURPHY COMPLEX 64,407 77 km
2017 SAWMILL 47,357 45 km
2002 RYAN 36,922 18 km
2011 MONUMENT 30,219 20 km
2017 BURRO 26,852 95 km
2002 WALKER 17,438 75 km
2022 TONTO CANYON 16,989 82 km
2005 FLORIDA 16,362 52 km
2011 BULL 16,339 76 km
1988 PEAK 16,078 23 km
2017 LIZARD 15,791 55 km
1994 RINCON 15,472 72 km
2022 SAN RAFAEL 12,203 30 km
2012 CAMPINI 11,893 30 km
2023 BEEHIVE 11,087 79 km
2013 SOLDIER BASIN 11,052 44 km
2016 LA SIERRA 11,035 80 km
2017 SWISSHELMS 10,798 77 km
2011 ARLENE 10,586 27 km
2021 WALNUT 10,576 61 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 45°F (7°C) 0.9 in Coldest
February 51°F (10°C) 0.7 in
March 55°F (13°C) 0.6 in
April 62°F (16°C) 0.3 in
May 70°F (21°C) 0.2 in Driest
June 79°F (26°C) 0.5 in Warmest
July 77°F (25°C) 3.7 in Wettest
August 78°F (26°C) 3.3 in
September 74°F (23°C) 1.7 in
October 65°F (18°C) 1.1 in
November 54°F (12°C) 0.6 in
December 47°F (9°C) 1.2 in

Sierra Vista has a seasonal temperature swing of 33°F / from 45°F in January to 79°F in June. Total annual precipitation is 14.8 inches, with July being the wettest month (3.7") and May the driest (0.2").

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