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Weather & Climate in Sierra Vista Southeast, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sierra Vista Southeast enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 46°F in January while summers reach 76°F in July. The area gets 328 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 20.8 inches (drier than the 38-inch national average). The area receives 3.2 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 4,567 feet.
Temperature
46°F Jan (8°C)
76°F Jul (24°C)
| Annual Average | 61.3°F |
| 14% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 4,567 ft (1,392 m) |
| Area | 110.9 sq mi (287.2 km²) |
| Population Density | 128/sq mi |
| Coordinates | 31.4525°N, 110.2190°W |
| Timezone | America/Phoenix |
| County | Santa Cruz County County |
| Nearest Airport | Bisbee Douglas International (DUG) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.3 / 100 |
| Social Vulnerability | 92.3 / 100 |
| Community Resilience | 2.3 / 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
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Oct 16, 1999 | 10 km ESE of Imuris, Mexico | M4.5 | 93 km | 5 km |
| Oct 31, 1990 | 29 km E of Fronteras, Mexico | M3.8 | 111 km | 5 km |
| Aug 5, 2021 | 24 km SSE of Animas, New Mexico | M3.6 | 147 km | 16 km |
| Mar 10, 1992 | 33 km WNW of Bavispe, Mexico | M3.5 | 131 km | 5 km |
| Apr 22, 2020 | 28 km SSW of Rodeo, New Mexico | M3.5 | 106 km | 21 km |
| Feb 27, 2018 | 32 km E of Esqueda, Mexico | M3.4 | 123 km | 10 km |
| Aug 5, 2021 | 37 km SSW of Playas, New Mexico | M3.3 | 143 km | 19 km |
| Sep 28, 2023 | 21 km E of Tanque Verde, Arizona | M3.1 | 90 km | 12 km |
| Aug 5, 2021 | 31 km SSW of Playas, New Mexico | M3.1 | 147 km | 17 km |
| Aug 26, 2017 | 33 km SE of Agua Prieta, Mexico | M3.0 | 96 km | 18 km |
| Jan 31, 2018 | 35 km ENE of Fronteras, Mexico | M3.0 | 104 km | 14 km |
| Jan 4, 2020 | 22 km SSW of Rodeo, New Mexico | M2.8 | 104 km | 5 km |
| Aug 9, 2025 | 14 km ENE of Willow Canyon, Arizona | M2.6 | 113 km | 12 km |
| Aug 1, 2021 | 30 km WNW of Bavispe, Mexico | M2.5 | 135 km | 14 km |
| Aug 5, 2021 | 33 km SSW of Playas, New Mexico | M2.5 | 146 km | 16 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
27 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 8 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 2, 2024 | EF1 | 96 km | 3.3 mi | 0 |
| Sep 23, 2019 | EF1 | 96 km | 1.7 mi | 0 |
| Sep 1, 1971 | EF1 | 91 km | 0.1 mi | 0 |
| Jul 17, 1971 | EF1 | 96 km | 0.1 mi | 0 |
| Jul 16, 1971 | EF1 | 13 km | 0.1 mi | 0 |
| Aug 16, 1969 | EF1 | 89 km | 1.0 mi | 0 |
| Jul 28, 1966 | EF1 | 33 km | 1.0 mi | 0 |
| Jul 27, 1961 | EF1 | 97 km | 0.1 mi | 0 |
| Aug 25, 2022 | EF0 | 97 km | 0.1 mi | 0 |
| Jul 29, 2017 | EF0 | 40 km | 0.1 mi | 0 |
| Sep 22, 2015 | EF0 | 55 km | 0.6 mi | 0 |
| Aug 29, 2015 | EF0 | 87 km | 0.4 mi | 0 |
| Aug 15, 2014 | EF0 | 93 km | 0.8 mi | 0 |
| May 9, 2012 | EF0 | 69 km | 0.3 mi | 0 |
| Nov 29, 2009 | EF0 | 57 km | 0.1 mi | 0 |
| Jul 31, 2005 | EF0 | 88 km | 0.5 mi | 0 |
| Aug 23, 1997 | EF0 | 9 km | 0.1 mi | 0 |
| Aug 29, 1993 | EF0 | 22 km | 0.1 mi | 0 |
| Jul 16, 1990 | EF0 | 63 km | 0.2 mi | 0 |
| Jun 24, 1974 | EF0 | 49 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: MURPHY COMPLEX (64,407 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | MURPHY COMPLEX | 64,407 | 86 km |
| 2017 | SAWMILL | 47,357 | 60 km |
| 2002 | RYAN | 36,922 | 30 km |
| 2011 | MONUMENT | 30,219 | 6 km |
| 2002 | WALKER | 17,438 | 81 km |
| 2022 | TONTO CANYON | 16,989 | 88 km |
| 2005 | FLORIDA | 16,362 | 65 km |
| 2011 | BULL | 16,339 | 82 km |
| 1988 | PEAK | 16,078 | 11 km |
| 2017 | LIZARD | 15,791 | 63 km |
| 1994 | RINCON | 15,472 | 87 km |
| 2022 | SAN RAFAEL | 12,203 | 35 km |
| 2012 | CAMPINI | 11,893 | 22 km |
| 2023 | BEEHIVE | 11,087 | 88 km |
| 2013 | SOLDIER BASIN | 11,052 | 51 km |
| 2016 | LA SIERRA | 11,035 | 86 km |
| 2017 | SWISSHELMS | 10,798 | 72 km |
| 2011 | ARLENE | 10,586 | 27 km |
| 2021 | WALNUT | 10,576 | 71 km |
| 2021 | ALAMO | 10,478 | 88 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 1.5 in | Coldest |
| February | 48°F (9°C) | 1.1 in | |
| March | 52°F (11°C) | 1.0 in | |
| April | 58°F (15°C) | 0.4 in | |
| May | 66°F (19°C) | 0.2 in | Driest |
| June | 75°F (24°C) | 0.6 in | |
| July | 76°F (24°C) | 4.6 in | Warmest, Wettest |
| August | 74°F (24°C) | 3.9 in | |
| September | 71°F (22°C) | 2.1 in | |
| October | 62°F (17°C) | 1.4 in | |
| November | 52°F (11°C) | 0.9 in | |
| December | 46°F (8°C) | 1.8 in |
Sierra Vista Southeast has a seasonal temperature swing of 30°F / from 46°F in January to 76°F in July. Total annual precipitation is 19.7 inches, with July being the wettest month (4.6") and May the driest (0.2").