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Weather & Climate in La Union, NM
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
La Union 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 9.1 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 3,799 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 | 3,799 ft (1,158 m) |
| Area | 4.1 sq mi (10.7 km²) |
| Population Density | 222/sq mi |
| Coordinates | 31.9508°N, 106.6621°W |
| Timezone | America/Denver |
| County | El Paso County County |
| Nearest Airport | El Paso International (ELP) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.5 / 100 |
| Social Vulnerability | 85.2 / 100 |
| Community Resilience | 4.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
17 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Feb 8, 2015 | 36 km E of Pecan Park, New Mexico | M3.9 | 67 km | 4 km |
| May 27, 2010 | 22 km WSW of Sierra Blanca, Texas | M3.7 | 138 km | 5 km |
| Mar 29, 2024 | 51 km E of Ascención, Mexico | M3.4 | 123 km | 10 km |
| Feb 1, 2015 | 34 km ESE of Pecan Park, New Mexico | M3.1 | 68 km | 5 km |
| Feb 7, 2015 | 35 km E of Pecan Park, New Mexico | M3.1 | 67 km | 5 km |
| Feb 1, 2015 | 38 km E of Pecan Park, New Mexico | M3.1 | 66 km | 5 km |
| Feb 8, 2015 | 36 km E of Pecan Park, New Mexico | M3.0 | 68 km | 5 km |
| May 27, 2011 | 29 km SSE of Porvenir, Mexico | M3.0 | 136 km | 10 km |
| Feb 8, 2015 | 35 km W of Fairacres, New Mexico | M3.0 | 63 km | 5 km |
| Jan 27, 2013 | 13 km SW of Sunshine, New Mexico | M2.9 | 112 km | 5 km |
| Feb 8, 2015 | 35 km ESE of Ventura, New Mexico | M2.9 | 67 km | 8 km |
| Apr 5, 2012 | 10 km NE of Fabens, Texas | M2.9 | 69 km | 5 km |
| Feb 15, 2015 | 34 km ESE of Pecan Park, New Mexico | M2.8 | 68 km | 5 km |
| Mar 29, 2024 | 50 km E of Ascención, Mexico | M2.7 | 126 km | 10 km |
| Feb 8, 2015 | 38 km ESE of Pecan Park, New Mexico | M2.6 | 64 km | 5 km |
| Jun 5, 2009 | 3 km SE of Praxedis G. Guerrero, Mexico | M2.6 | 93 km | 0 km |
| Mar 6, 2012 | 9 km E of Fort Bliss, Texas | M2.5 | 37 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
26 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1.
| Date | Rating | Distance | Path | Fatalities |
| Oct 9, 2006 | EF1 | 94 km | 1.0 mi | 0 |
| Jun 21, 1992 | EF1 | 47 km | 0.6 mi | 0 |
| Jun 21, 1992 | EF1 | 53 km | 0.5 mi | 0 |
| Jun 21, 1992 | EF1 | 53 km | 1.2 mi | 0 |
| Jul 28, 1989 | EF1 | 69 km | 4.0 mi | 0 |
| Jul 31, 1979 | EF1 | 8 km | 2.0 mi | 0 |
| Jun 12, 1974 | EF1 | 97 km | 4.5 mi | 0 |
| Jul 19, 1972 | EF1 | 58 km | 2.0 mi | 0 |
| Jul 29, 1959 | EF1 | 14 km | 0.1 mi | 0 |
| Apr 22, 2019 | EF0 | 58 km | 0.1 mi | 0 |
| Jul 13, 2011 | EF0 | 13 km | 0.4 mi | 0 |
| May 2, 2007 | EF0 | 81 km | 0.6 mi | 0 |
| May 2, 2007 | EF0 | 35 km | 8.4 mi | 0 |
| Apr 29, 2007 | EF0 | 67 km | 0.1 mi | 0 |
| Oct 15, 2006 | EF0 | 96 km | 6.5 mi | 0 |
| Sep 13, 2006 | EF0 | 40 km | 0.2 mi | 0 |
| Aug 2, 2002 | EF0 | 56 km | 1.0 mi | 0 |
| Jun 19, 2001 | EF0 | 42 km | 0.3 mi | 0 |
| Jun 21, 1992 | EF0 | 77 km | 1.5 mi | 0 |
| Sep 22, 1988 | EF0 | 19 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: ESCONDIDO (25,700 acres, 1993).
| Year | Name | Acres Burned | Distance |
| 1993 | ESCONDIDO | 25,700 | 77 km |
| 2009 | OROGRANDE | 14,853 | 68 km |
| 1994 | HAT | 14,842 | 67 km |
| 1994 | UNNAMED | 14,645 | 44 km |
| 2011 | ABRAMS | 12,786 | 44 km |
| 2001 | BENNETT MT | 10,249 | 72 km |
| 1993 | UVAS | 8,541 | 84 km |
| 1994 | UNNAMED | 7,496 | 61 km |
| 1992 | UNNAMED | 7,001 | 91 km |
| 2010 | LONG CANYON | 6,656 | 36 km |
| 1990 | UNNAMED | 6,605 | 75 km |
| 1993 | UNNAMED | 6,482 | 18 km |
| 2011 | CENTENNIAL | 6,269 | 91 km |
| 1993 | MARTIN | 5,290 | 80 km |
| 2018 | ORGAN | 4,880 | 57 km |
| 2022 | POTRILLO | 4,293 | 48 km |
| 2000 | DOUBLE TK | 3,820 | 96 km |
| 1994 | GOODSIGHT | 3,450 | 94 km |
| 1990 | SOLADA | 3,419 | 40 km |
| 1994 | UNNAMED | 3,348 | 92 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 0.4 in | |
| February | 48°F (9°C) | 0.4 in | |
| March | 55°F (13°C) | 0.2 in | |
| April | 62°F (17°C) | 0.2 in | Driest |
| May | 71°F (21°C) | 0.3 in | |
| June | 80°F (26°C) | 0.8 in | |
| July | 84°F (29°C) | 1.6 in | Warmest |
| August | 79°F (26°C) | 2.1 in | Wettest |
| September | 74°F (23°C) | 1.5 in | |
| October | 64°F (18°C) | 0.9 in | |
| November | 52°F (11°C) | 0.4 in | |
| December | 44°F (7°C) | 0.7 in | Coldest |
La Union has a seasonal temperature swing of 40°F / from 44°F in December to 84°F in July. Total annual precipitation is 9.3 inches, with August being the wettest month (2.1") and April the driest (0.2").