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Weather & Climate in Rancho Grande, NM
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rancho Grande experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 37°F in January while summers reach 73°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 16.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 37. The city sits at an elevation of 6,348 feet.
Temperature
37°F Jan (3°C)
73°F Jul (23°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 37°F (3°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 6,348 ft (1,935 m) |
| Area | 0.4 sq mi (1.1 km²) |
| Population Density | 164/sq mi |
| Coordinates | 33.6820°N, 108.8582°W |
| Timezone | America/Denver |
| County | Catron County County |
| Nearest Airport | Safford Regional (SAD) 73 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 36.6 / 100 |
| Social Vulnerability | 89.1 / 100 |
| Community Resilience | 1.3 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
62 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 | 126 km | 6 km |
| Jun 29, 2014 | 12 km S of Franklin, Arizona | M4.0 | 126 km | 5 km |
| Jul 3, 2014 | 11 km S of Franklin, Arizona | M3.9 | 125 km | 5 km |
| May 24, 2010 | 24 km NNE of Morenci, Arizona | M3.6 | 58 km | 5 km |
| Jul 9, 2014 | 13 km S of Franklin, Arizona | M3.6 | 127 km | 5 km |
| Jul 10, 2014 | 16 km S of Franklin, Arizona | M3.6 | 130 km | 5 km |
| Jul 12, 2014 | 17 km S of Franklin, Arizona | M3.6 | 131 km | 5 km |
| Jun 29, 2014 | 16 km SSW of Franklin, Arizona | M3.6 | 130 km | 5 km |
| Jul 11, 2014 | 5 km WSW of Franklin, Arizona | M3.6 | 117 km | 5 km |
| Oct 8, 2012 | 32 km WNW of Glenwood, New Mexico | M3.6 | 46 km | 5 km |
| May 24, 2010 | 27 km NNE of Morenci, Arizona | M3.6 | 55 km | 5 km |
| Jun 30, 2014 | 19 km SSW of Franklin, Arizona | M3.5 | 133 km | 5 km |
| Jul 6, 2014 | Arizona | M3.5 | 127 km | 5 km |
| Jul 11, 2014 | 12 km SSW of Franklin, Arizona | M3.5 | 126 km | 5 km |
| Jun 29, 2014 | 14 km S of Franklin, Arizona | M3.5 | 127 km | 5 km |
| Oct 29, 2012 | 35 km WNW of Glenwood, New Mexico | M3.5 | 48 km | 5 km |
| Sep 23, 2009 | 29 km W of Alamo, New Mexico | M3.4 | 129 km | 5 km |
| Jan 25, 2015 | 9 km S of Franklin, Arizona | M3.4 | 122 km | 5 km |
| Jun 29, 2014 | 10 km SW of Franklin, Arizona | M3.4 | 123 km | 5 km |
| Apr 27, 2019 | 2 km WSW of Franklin, Arizona | M3.4 | 115 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
4 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1.
| Date | Rating | Distance | Path | Fatalities |
| Aug 13, 1989 | EF1 | 98 km | 0.2 mi | 0 |
| Sep 3, 2008 | EF0 | 52 km | 0.5 mi | 0 |
| Aug 30, 2006 | EF0 | 31 km | 1.0 mi | 0 |
| Aug 14, 1979 | EF0 | 93 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Red Hill (63 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Red Hill | Volcanic field | 2,300 m (7,546 ft) | -9450 | 63 km |
| Zuni-Bandera | Volcanic field | 2,550 m (8,366 ft) | -1170 | 147 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: WALLOW (563,664 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | WALLOW | 563,664 | 39 km |
| 2012 | WHITEWATER-BALDY | 306,923 | 48 km |
| 2003 | DRY LAKE COMPLEX (DRY LAKES) | 113,956 | 64 km |
| 2021 | JOHNSON | 95,808 | 65 km |
| 2011 | MILLER | 84,760 | 75 km |
| 2005 | BLACK RANGE COMPLEX WFU | 74,273 | 70 km |
| 2023 | PASS | 66,071 | 69 km |
| 2003 | BOILER | 56,796 | 87 km |
| 2018 | BUZZARD | 50,934 | 32 km |
| 1993 | BRUSH | 39,349 | 66 km |
| 2002 | MIDDLE | 37,096 | 49 km |
| 2006 | BEAR | 34,703 | 39 km |
| 2020 | COW CANYON | 33,536 | 27 km |
| 2000 | CHANCE | 33,064 | 71 km |
| 2009 | DIAMOND | 32,021 | 95 km |
| 2018 | RATTLESNAKE | 27,383 | 55 km |
| 2023 | DIVIDE | 26,614 | 45 km |
| 2020 | CUB | 24,489 | 53 km |
| 2021 | BEAR | 24,459 | 53 km |
| 2020 | BRINGHAM | 23,134 | 48 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 1.1 in | |
| February | 34°F (1°C) | 1.0 in | |
| March | 38°F (3°C) | 1.0 in | |
| April | 43°F (6°C) | 0.4 in | Driest |
| May | 51°F (10°C) | 0.7 in | |
| June | 59°F (15°C) | 0.7 in | |
| July | 73°F (23°C) | 3.3 in | Warmest |
| August | 63°F (17°C) | 3.6 in | Wettest |
| September | 57°F (14°C) | 2.1 in | |
| October | 48°F (9°C) | 1.8 in | |
| November | 38°F (3°C) | 1.0 in | |
| December | 32°F (0°C) | 1.2 in | Coldest |
Rancho Grande has a seasonal temperature swing of 41°F / from 32°F in December to 73°F in July. Total annual precipitation is 17.9 inches, with August being the wettest month (3.6") and April the driest (0.4").