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Weather & Climate in San Carlos, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Carlos enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 45°F in January while summers reach 85°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 13.4 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 2,910 feet.
Temperature
45°F Jan (7°C)
85°F Jul (29°C)
| Annual Average | 64.7°F |
| 20% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 2,910 ft (887 m) |
| Area | 8.6 sq mi (22.2 km²) |
| Population Density | 556/sq mi |
| Coordinates | 33.3446°N, 110.4777°W |
| Timezone | America/Phoenix |
| County | Gila County County |
| Nearest Airport | Safford Regional (SAD) 59 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.2 / 100 |
| Social Vulnerability | 86.7 / 100 |
| Community Resilience | 6.4 / 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 Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
34 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Jun 29, 2014 | 13 km SW of Franklin, Arizona | M5.3 | 149 km | 6 km |
| Jul 11, 2014 | 5 km WSW of Franklin, Arizona | M3.6 | 148 km | 5 km |
| Oct 8, 2012 | 32 km WNW of Glenwood, New Mexico | M3.6 | 117 km | 5 km |
| May 24, 2010 | 27 km NNE of Morenci, Arizona | M3.6 | 116 km | 5 km |
| May 24, 2010 | 24 km NNE of Morenci, Arizona | M3.6 | 114 km | 5 km |
| Oct 29, 2012 | 35 km WNW of Glenwood, New Mexico | M3.5 | 114 km | 5 km |
| Jun 29, 2014 | 10 km SW of Franklin, Arizona | M3.4 | 148 km | 5 km |
| Jul 1, 2005 | 23 km NE of Washington Park, Arizona | M3.4 | 149 km | 5 km |
| Apr 27, 2019 | 2 km WSW of Franklin, Arizona | M3.4 | 149 km | 10 km |
| Feb 16, 2013 | 34 km WNW of Glenwood, New Mexico | M3.3 | 116 km | 5 km |
| Aug 4, 2015 | Arizona | M3.3 | 150 km | 5 km |
| Oct 3, 2023 | 3 km WSW of Franklin, Arizona | M3.3 | 148 km | 5 km |
| Mar 18, 2025 | 13 km NNE of Clay Springs, Arizona | M3.2 | 128 km | 5 km |
| Aug 19, 2014 | 9 km SW of Franklin, Arizona | M3.2 | 149 km | 5 km |
| Sep 28, 2023 | 21 km E of Tanque Verde, Arizona | M3.1 | 125 km | 12 km |
| Jun 25, 2010 | 8 km SW of Roosevelt, Arizona | M3.1 | 73 km | 5 km |
| Jun 18, 2022 | 4 km SW of Clay Springs, Arizona | M3.0 | 111 km | 10 km |
| Feb 19, 2025 | 0 km SW of Christopher Creek, Arizona | M3.0 | 119 km | 11 km |
| Apr 12, 2016 | 7 km SW of Franklin, Arizona | M3.0 | 148 km | 5 km |
| May 25, 2010 | 25 km NNE of Clifton, Arizona | M3.0 | 119 km | 5 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. Total: 9 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 14, 1996 | EF1 | 23 km | 0.1 mi | 0 |
| Nov 18, 1986 | EF1 | 100 km | 0.5 mi | 0 |
| Oct 23, 1974 | EF1 | 77 km | 4.7 mi | 0 |
| Oct 23, 1974 | EF1 | 59 km | 0.1 mi | 0 |
| Oct 18, 1972 | EF1 | 98 km | 0.1 mi | 0 |
| Aug 9, 1966 | EF1 | 31 km | 0.1 mi | 0 |
| Jul 31, 2015 | EF0 | 89 km | 0.6 mi | 0 |
| Sep 4, 2004 | EF0 | 95 km | 1.0 mi | 0 |
| Jul 6, 1999 | EF0 | 80 km | 8.0 mi | 0 |
| Aug 24, 1993 | EF0 | 79 km | 0.1 mi | 0 |
| Jul 25, 1974 | EF0 | 51 km | 0.1 mi | 0 |
| Jun 21, 1972 | EF0 | 100 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km. Closest: Red Hill (183 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Red Hill | Volcanic field | 2,300 m (7,546 ft) | -9450 | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: RODEO (461,774 acres, 2002).
| Year | Name | Acres Burned | Distance |
| 2002 | RODEO | 461,774 | 99 km |
| 2020 | BUSH | 212,542 | 97 km |
| 2021 | TELEGRAPH | 187,248 | 44 km |
| 2001 | UNNAMED | 151,684 | 52 km |
| 2019 | WOODBURY | 130,242 | 68 km |
| 2021 | MESCAL | 79,346 | 17 km |
| 2014 | SKUNK | 73,774 | 42 km |
| 2005 | EDGE COMPLEX | 69,291 | 99 km |
| 2020 | GRIFFIN | 61,455 | 25 km |
| 1996 | LONE | 60,574 | 87 km |
| 2017 | FRYE | 54,202 | 91 km |
| 2016 | CEDAR | 44,163 | 81 km |
| 2021 | PINNACLE | 35,281 | 57 km |
| 2015 | WHITETAIL | 33,592 | 33 km |
| 2017 | HILLTOP | 32,983 | 40 km |
| 2024 | FREEMAN | 32,950 | 78 km |
| 2016 | JUNIPER | 32,293 | 71 km |
| 2004 | NUTALL COMPLEX (NUTALL) | 31,880 | 90 km |
| 2020 | VALLEY | 29,331 | 21 km |
| 2020 | BLUE RIVER | 29,314 | 21 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 1.6 in | Coldest |
| February | 49°F (10°C) | 1.5 in | |
| March | 54°F (12°C) | 1.8 in | |
| April | 61°F (16°C) | 0.6 in | |
| May | 70°F (21°C) | 0.4 in | |
| June | 79°F (26°C) | 0.3 in | Driest |
| July | 85°F (29°C) | 2.0 in | Warmest |
| August | 82°F (28°C) | 2.5 in | Wettest |
| September | 76°F (25°C) | 1.5 in | |
| October | 66°F (19°C) | 1.5 in | |
| November | 54°F (12°C) | 1.3 in | |
| December | 46°F (8°C) | 1.8 in |
San Carlos has a seasonal temperature swing of 40°F / from 45°F in January to 85°F in July. Total annual precipitation is 16.7 inches, with August being the wettest month (2.5") and June the driest (0.3").