All Countries
Weather & Climate in Tacna, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tacna has a warm climate with an average annual temperature of 73°F (23°C). Winters average 54°F in January while summers reach 94°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 3.8 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 336 feet.
Temperature
54°F Jan (12°C)
94°F Jul (34°C)
| Annual Average | 73.1°F |
| 35% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 94°F (34°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 336 ft (102 m) |
| Area | 1.9 sq mi (5.0 km²) |
| Population Density | 238/sq mi |
| Coordinates | 32.7004°N, 113.9618°W |
| Timezone | America/Phoenix |
| County | Yuma County County |
| Nearest Airport | Yuma Mcas/Yuma International (YUM) 38 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.6 / 100 |
| Social Vulnerability | 68.5 / 100 |
| Community Resilience | 1.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | No Rating |
| Landslide | Very Low |
| Volcano | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
5,090 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.2.
| Apr 4, 2010 | The 2010 Sierra El Mayor, B.C., Mexico Earthquake | M7.2 | 133 km | 10 km |
| Dec 30, 2009 | 12km N of Delta, B.C., MX | M5.8 | 118 km | 6 km |
| Apr 4, 2010 | 12km SSW of Estacion Coahuila, B.C., MX | M5.7 | 122 km | 10 km |
| Dec 8, 2001 | 22km S of Estacion Coahuila, B.C., MX | M5.7 | 125 km | 7 km |
| Feb 22, 2002 | 13km WSW of Delta, B.C., MX | M5.7 | 134 km | 7 km |
| Mar 7, 2020 | 71km SE of Estacion Coahuila, B.C., MX | M5.5 | 125 km | 10 km |
| Apr 4, 2010 | 9km SW of Delta, B.C., MX | M5.4 | 130 km | 10 km |
| Apr 4, 2010 | 12km WNW of Alberto Oviedo Mota, B.C., MX | M5.4 | 134 km | 10 km |
| May 24, 2006 | 6km SSW of Delta, B.C., MX | M5.4 | 127 km | 6 km |
| Apr 8, 2010 | 12km SW of Alberto Oviedo Mota, B.C., MX | M5.3 | 136 km | 10 km |
| Apr 5, 2010 | 27km SSW of Estacion Coahuila, B.C., MX | M5.2 | 136 km | 10 km |
| Oct 3, 1994 | 5 km NE of Ejido Doctor Alberto Oviedo Mota (El Indiviso), Mexico | M5.2 | 116 km | 10 km |
| Feb 11, 2008 | 7km WSW of Delta, B.C., MX | M5.1 | 128 km | 6 km |
| Feb 9, 2008 | 8km W of Delta, B.C., MX | M5.1 | 129 km | 6 km |
| Feb 18, 2011 | 17km SSW of Estacion Coahuila, B.C., MX | M5.1 | 126 km | 15 km |
| Sep 19, 2009 | 7km WNW of Delta, B.C., MX | M5.1 | 127 km | 10 km |
| Feb 19, 2008 | 14km NW of Delta, B.C., MX | M5.0 | 130 km | 6 km |
| Feb 12, 2008 | 13km SSE of Puebla, B.C., MX | M5.0 | 130 km | 6 km |
| Sep 14, 2010 | 20km S of Alberto Oviedo Mota, B.C., MX | M5.0 | 137 km | 10 km |
| Aug 27, 2012 | 5km NNE of Brawley, CA | M4.9 | 150 km | 4 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
14 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Aug 4, 1957 | EF3 | 73 km | 12.0 mi | 0 |
| Aug 17, 1959 | EF2 | 17 km | 0.1 mi | 0 |
| Sep 22, 1987 | EF1 | 53 km | 0.5 mi | 0 |
| Sep 13, 1966 | EF1 | 67 km | 0.1 mi | 0 |
| Jul 5, 1965 | EF1 | 63 km | 2.0 mi | 0 |
| Oct 13, 2018 | EF0 | 41 km | 0.1 mi | 0 |
| Aug 10, 2006 | EF0 | 35 km | 10.0 mi | 0 |
| Sep 22, 1987 | EF0 | 51 km | 0.5 mi | 0 |
| Sep 28, 1979 | EF0 | 57 km | 0.1 mi | 0 |
| Feb 10, 1978 | EF0 | 20 km | 0.1 mi | 0 |
| Feb 10, 1978 | EF0 | 5 km | 0.1 mi | 0 |
| Oct 4, 1972 | EF0 | 69 km | 0.1 mi | 0 |
| Jul 5, 1965 | EF0 | 82 km | 0.1 mi | 0 |
| Aug 29, 1957 | EF0 | 74 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Pinacate (112 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Pinacate | Pyroclastic cone(s) | 1,200 m (3,937 ft) | Unknown | 112 km |
| Salton Buttes | Lava dome(s) | -40 m (-131 ft) | 210 | 164 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: GOLDWATER (56,690 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | GOLDWATER | 56,690 | 98 km |
| 2005 | KING VALLEY | 32,964 | 37 km |
| 2005 | GROWLER PEAK | 28,182 | 76 km |
| 2005 | SAND TANK COMPLEX (SAND TANK) | 11,601 | 96 km |
| 2005 | UNNAMED | 8,179 | 74 km |
| 2005 | UNNAMED | 7,638 | 83 km |
| 2005 | THEBA | 6,351 | 100 km |
| 2006 | CIBOLA | 4,703 | 98 km |
| 2011 | THREE SLASHES | 4,581 | 94 km |
| 2005 | CRATER | 3,136 | 82 km |
| 1989 | LAGUNA II | 3,042 | 51 km |
| 2005 | GUACAMOLE | 2,401 | 94 km |
| 1989 | FERGUSON | 2,284 | 61 km |
| 2005 | 2000 | 2,269 | 70 km |
| 2021 | GILA | 2,171 | 56 km |
| 1992 | WALTERS | 2,170 | 93 km |
| 2013 | ISLAND LAKE | 2,021 | 76 km |
| 1987 | FERGUSONLK | 1,692 | 61 km |
| 2005 | GETTING | 1,403 | 10 km |
| 2021 | CLIP | 1,295 | 83 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 0.5 in | |
| February | 59°F (15°C) | 0.4 in | |
| March | 63°F (17°C) | 0.4 in | |
| April | 70°F (21°C) | 0.1 in | |
| May | 77°F (25°C) | 0.0 in | Driest |
| June | 86°F (30°C) | 0.0 in | |
| July | 94°F (34°C) | 0.4 in | Warmest |
| August | 92°F (33°C) | 0.6 in | |
| September | 86°F (30°C) | 0.7 in | Wettest |
| October | 74°F (24°C) | 0.4 in | |
| November | 62°F (17°C) | 0.4 in | |
| December | 53°F (12°C) | 0.5 in | Coldest |
Tacna has a seasonal temperature swing of 40°F / from 53°F in December to 94°F in July. Total annual precipitation is 4.3 inches, with September being the wettest month (0.7") and May the driest (0.0").