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Weather & Climate in San Jon, NM
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Jon enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 40°F in January while summers reach 81°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 17.0 inches (drier than the 38-inch national average). The area receives 17.1 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 37. The city sits at an elevation of 4,028 feet.
Temperature
40°F Jan (5°C)
81°F Jul (27°C)
| Annual Average | 60.3°F |
| 12% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 4,028 ft (1,228 m) |
| Area | 2.6 sq mi (6.7 km²) |
| Population Density | 46/sq mi |
| Coordinates | 35.1113°N, 103.3363°W |
| Timezone | America/Denver |
| County | Quay County County |
| Nearest Airport | Clovis Regional (CVN) 50 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 37.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 26.0 / 100 |
| Social Vulnerability | 89.6 / 100 |
| Community Resilience | 31.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
41 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Aug 17, 2000 | 18 km N of Amarillo, Texas | M3.9 | 142 km | 5 km |
| Dec 16, 2000 | 19 km N of Amarillo, Texas | M3.9 | 143 km | 5 km |
| Mar 17, 2022 | 13 km SSW of Clayton, New Mexico | M3.8 | 137 km | 5 km |
| Mar 25, 1996 | 25 km WSW of Channing, Texas | M3.5 | 87 km | 5 km |
| Mar 31, 2022 | 8 km S of Clayton, New Mexico | M3.4 | 142 km | 5 km |
| Nov 30, 1993 | 29 km NNE of Nara Visa, New Mexico | M3.3 | 88 km | 5 km |
| Aug 7, 2000 | Texas Panhandle region | M3.3 | 142 km | 5 km |
| Feb 4, 2010 | 23 km N of Adrian, Texas | M3.3 | 77 km | 2 km |
| Sep 29, 1993 | 30 km NNE of Nara Visa, New Mexico | M3.3 | 90 km | 5 km |
| Sep 24, 2003 | 10 km NE of Amarillo, Texas | M3.3 | 146 km | 5 km |
| Jan 6, 2014 | 31 km E of Logan, New Mexico | M3.3 | 33 km | 5 km |
| Aug 12, 2012 | 13 km NNE of Bishop Hills, Texas | M3.3 | 133 km | 5 km |
| Mar 19, 1995 | 8 km SSE of Newkirk, New Mexico | M3.3 | 81 km | 5 km |
| May 10, 2021 | 13 km W of Channing, Texas | M3.2 | 100 km | 3 km |
| Apr 27, 1998 | 14 km SW of Boys Ranch, Texas | M3.2 | 95 km | 5 km |
| Jul 14, 1998 | 6 km WSW of Logan, New Mexico | M3.0 | 29 km | 5 km |
| Aug 7, 2000 | Texas Panhandle region | M3.0 | 142 km | 5 km |
| Mar 28, 2006 | 13 km NNE of Bishop Hills, Texas | M3.0 | 136 km | 5 km |
| Aug 10, 2000 | 18 km N of Amarillo, Texas | M3.0 | 142 km | 5 km |
| Apr 1, 2025 | 22 km S of Newkirk, New Mexico | M3.0 | 86 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
214 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 2 fatalities, 97 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1995 | EF3 | 76 km | 10.0 mi | 0 |
| Apr 19, 1971 | EF3 | 94 km | 6.1 mi | 0 |
| May 21, 1963 | EF3 | 96 km | 5.9 mi | 0 |
| Oct 11, 1960 | EF3 | 78 km | 1.0 mi | 0 |
| Mar 23, 2007 | EF2 | 98 km | 12.5 mi | 2 |
| May 25, 1996 | EF2 | 61 km | 3.0 mi | 0 |
| Mar 27, 1992 | EF2 | 84 km | 10.0 mi | 0 |
| May 10, 1991 | EF2 | 98 km | 3.0 mi | 0 |
| May 10, 1972 | EF2 | 82 km | 2.5 mi | 0 |
| May 7, 1972 | EF2 | 94 km | 0.1 mi | 0 |
| Apr 17, 1970 | EF2 | 69 km | 39.8 mi | 0 |
| Jun 18, 1968 | EF2 | 29 km | 0.5 mi | 0 |
| Jun 1, 1967 | EF2 | 88 km | 4.7 mi | 0 |
| Mar 19, 1967 | EF2 | 86 km | 0.6 mi | 0 |
| Jun 12, 1964 | EF2 | 86 km | 2.0 mi | 0 |
| Jun 12, 1964 | EF2 | 86 km | 8.8 mi | 0 |
| Jun 11, 1964 | EF2 | 27 km | 0.1 mi | 0 |
| Jun 11, 1964 | EF2 | 81 km | 23.2 mi | 0 |
| Jul 12, 1963 | EF2 | 36 km | 0.1 mi | 0 |
| Jun 3, 1961 | EF2 | 18 km | 4.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: TIRE (44,942 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | TIRE | 44,942 | 90 km |
| 2011 | WINDY | 24,687 | 46 km |
| 2022 | MITCHELL | 23,220 | 95 km |
| 2006 | CANADIAN | 17,710 | 63 km |
| 1999 | UNNAMED | 16,755 | 68 km |
| 2011 | BRITT | 13,980 | 71 km |
| 2006 | VAN MEYER FIRE | 13,011 | 76 km |
| 2006 | UNNAMED | 10,795 | 91 km |
| 1989 | LIBBY | 10,695 | 88 km |
| 2011 | BURNING TENT | 9,473 | 94 km |
| 1990 | CHUCKWAGON FIRE | 8,287 | 31 km |
| 2017 | GRIFFITH | 7,071 | 49 km |
| 1994 | WOODS | 6,016 | 40 km |
| 2023 | BIG FIN FLATS | 5,660 | 68 km |
| 1990 | REDONDO | 5,408 | 30 km |
| 2007 | BIG FIRE | 5,167 | 39 km |
| 2017 | HUTCHINSON | 4,946 | 87 km |
| 2015 | NORTH CUT | 4,353 | 79 km |
| 1998 | HEATHER | 4,249 | 58 km |
| 2008 | GOMEZ | 3,927 | 87 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 0.5 in | Driest |
| February | 42°F (6°C) | 0.5 in | |
| March | 49°F (9°C) | 0.8 in | |
| April | 57°F (14°C) | 1.1 in | |
| May | 66°F (19°C) | 1.9 in | |
| June | 75°F (24°C) | 2.1 in | |
| July | 81°F (27°C) | 2.8 in | Warmest |
| August | 77°F (25°C) | 3.0 in | Wettest |
| September | 69°F (21°C) | 1.8 in | |
| October | 59°F (15°C) | 1.3 in | |
| November | 46°F (8°C) | 0.7 in | |
| December | 38°F (4°C) | 0.6 in | Coldest |
San Jon has a seasonal temperature swing of 43°F / from 38°F in December to 81°F in July. Total annual precipitation is 17.0 inches, with August being the wettest month (3.0") and January the driest (0.5").