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Weather & Climate in Swift Trail Junction, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Swift Trail Junction enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 46°F in January while summers reach 84°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 8.8 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 3,255 feet.
Temperature
46°F Jan (8°C)
84°F Jul (29°C)
| Annual Average | 65.1°F |
| 21% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 3,255 ft (992 m) |
| Area | 3.7 sq mi (9.6 km²) |
| Population Density | 785/sq mi |
| Coordinates | 32.7272°N, 109.7181°W |
| Timezone | America/Phoenix |
| County | Graham County County |
| Nearest Airport | Safford Regional (SAD) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.6 / 100 |
| Social Vulnerability | 71.6 / 100 |
| Community Resilience | 7.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
61 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 | 54 km | 6 km |
| Jun 29, 2014 | 12 km S of Franklin, Arizona | M4.0 | 61 km | 5 km |
| Jul 3, 2014 | 11 km S of Franklin, Arizona | M3.9 | 61 km | 5 km |
| Jul 12, 2014 | 17 km S of Franklin, Arizona | M3.6 | 62 km | 5 km |
| Jul 9, 2014 | 13 km S of Franklin, Arizona | M3.6 | 63 km | 5 km |
| Jun 29, 2014 | 16 km SSW of Franklin, Arizona | M3.6 | 57 km | 5 km |
| Jul 11, 2014 | 5 km WSW of Franklin, Arizona | M3.6 | 56 km | 5 km |
| Jul 10, 2014 | 16 km S of Franklin, Arizona | M3.6 | 61 km | 5 km |
| Oct 8, 2012 | 32 km WNW of Glenwood, New Mexico | M3.6 | 88 km | 5 km |
| May 24, 2010 | 27 km NNE of Morenci, Arizona | M3.6 | 78 km | 5 km |
| Aug 5, 2021 | 24 km SSE of Animas, New Mexico | M3.6 | 145 km | 16 km |
| May 24, 2010 | 24 km NNE of Morenci, Arizona | M3.6 | 75 km | 5 km |
| Oct 29, 2012 | 35 km WNW of Glenwood, New Mexico | M3.5 | 87 km | 5 km |
| Jul 6, 2014 | Arizona | M3.5 | 56 km | 5 km |
| Jun 30, 2014 | 19 km SSW of Franklin, Arizona | M3.5 | 60 km | 5 km |
| Jun 29, 2014 | 14 km S of Franklin, Arizona | M3.5 | 65 km | 5 km |
| Jul 11, 2014 | 12 km SSW of Franklin, Arizona | M3.5 | 57 km | 5 km |
| Apr 22, 2020 | 28 km SSW of Rodeo, New Mexico | M3.5 | 139 km | 21 km |
| Jun 29, 2014 | 10 km SW of Franklin, Arizona | M3.4 | 55 km | 5 km |
| Apr 27, 2019 | 2 km WSW of Franklin, Arizona | M3.4 | 58 km | 10 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: 5 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Sep 23, 2019 | EF1 | 54 km | 1.7 mi | 0 |
| Oct 23, 1974 | EF1 | 99 km | 4.7 mi | 0 |
| Sep 1, 1971 | EF1 | 94 km | 0.1 mi | 0 |
| Jul 17, 1971 | EF1 | 54 km | 0.1 mi | 0 |
| Sep 22, 2015 | EF0 | 97 km | 0.6 mi | 0 |
| Jul 31, 2015 | EF0 | 15 km | 0.6 mi | 0 |
| Aug 15, 2014 | EF0 | 58 km | 0.8 mi | 0 |
| Aug 17, 1992 | EF0 | 36 km | 0.1 mi | 0 |
| Jul 16, 1990 | EF0 | 93 km | 0.2 mi | 0 |
| Sep 9, 1972 | EF0 | 62 km | 0.1 mi | 0 |
| Aug 31, 1966 | EF0 | 71 km | 0.1 mi | 0 |
| Jul 12, 1956 | EF0 | 98 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 (188 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Red Hill | Volcanic field | 2,300 m (7,546 ft) | -9450 | 188 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (151,684 acres, 2001).
| Year | Name | Acres Burned | Distance |
| 2001 | UNNAMED | 151,684 | 64 km |
| 2020 | BIGHORN | 126,131 | 100 km |
| 2014 | SKUNK | 73,774 | 86 km |
| 2017 | FRYE | 54,202 | 14 km |
| 2021 | PINNACLE | 35,281 | 49 km |
| 2004 | NUTALL COMPLEX (NUTALL) | 31,880 | 15 km |
| 2002 | BULLOCK | 31,774 | 95 km |
| 2020 | VALLEY | 29,331 | 91 km |
| 2020 | BLUE RIVER 2 | 26,885 | 95 km |
| 2017 | BURRO | 26,852 | 92 km |
| 2009 | GREASEWOOD | 24,902 | 25 km |
| 1993 | MARKHAM | 24,636 | 67 km |
| 2021 | BEAR | 24,459 | 90 km |
| 2020 | BRINGHAM | 23,134 | 89 km |
| 2020 | ROCKHOUSE | 18,435 | 89 km |
| 2012 | GRAPEVINE | 17,542 | 23 km |
| 1998 | XK | 17,396 | 83 km |
| 1989 | WHITLOCK | 16,986 | 50 km |
| 2013 | CREEK | 16,120 | 75 km |
| 2019 | GAP | 16,084 | 60 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 1.0 in | |
| February | 48°F (9°C) | 0.9 in | |
| March | 53°F (11°C) | 0.9 in | |
| April | 59°F (15°C) | 0.3 in | Driest |
| May | 68°F (20°C) | 0.3 in | |
| June | 77°F (25°C) | 0.4 in | |
| July | 84°F (29°C) | 2.1 in | Warmest |
| August | 79°F (26°C) | 2.2 in | Wettest |
| September | 74°F (23°C) | 1.4 in | |
| October | 63°F (17°C) | 1.3 in | |
| November | 51°F (11°C) | 0.8 in | |
| December | 44°F (7°C) | 1.3 in | Coldest |
Swift Trail Junction has a seasonal temperature swing of 40°F / from 44°F in December to 84°F in July. Total annual precipitation is 12.8 inches, with August being the wettest month (2.2") and April the driest (0.3").