Weather & Climate in Chilchinbito, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chilchinbito experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 31°F in January while summers reach 73°F in July. Annual precipitation totals 11.1 inches (drier than the 38-inch national average). The area receives 35.5 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 13 / among the cleanest air in the country. 99% of days have good air quality. The city sits at an elevation of 6,230 feet.
Temperature
31°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 51.0°F |
| 6% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 73°F (23°C) |
Geography
| Elevation | 6,230 ft (1,899 m) |
| Area | 23.8 sq mi (61.5 km²) |
| Population Density | 37/sq mi |
| Coordinates | 36.4920°N, 110.0492°W |
| Timezone | America/Phoenix |
| County | Navajo County County |
| Nearest Airport | Four Corners Regional (FMN) 102 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 13.0 |
| Rating | Good |
| Good Days % | 99.4% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.1 / 100 |
| Social Vulnerability | 97.7 / 100 |
| Community Resilience | 3.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | No Rating |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
38 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Apr 22, 2017 | 4 km SSW of Bluff, Utah | M3.7 | 94 km | 9 km |
| Jun 6, 2008 | 10 km NE of Bluff, Utah | M3.6 | 109 km | 12 km |
| Mar 1, 2025 | 6 km SE of Moenkopi, Arizona | M3.4 | 112 km | 12 km |
| Oct 18, 1998 | 14 km SE of Moenkopi, Arizona | M3.4 | 106 km | 5 km |
| Aug 2, 1991 | 59 km WNW of Blanding, Utah | M3.4 | 147 km | 6 km |
| Jun 25, 1991 | 10 km W of Oljato-Monument Valley, Utah | M3.4 | 65 km | 0 km |
| Jul 13, 2009 | 3 km SE of Navajo Mountain, Utah | M3.3 | 85 km | 3 km |
| Jul 4, 2007 | 9 km S of Moenkopi, Arizona | M3.2 | 116 km | 5 km |
| Mar 31, 2009 | 32 km NE of Halls Crossing, Utah | M3.0 | 133 km | 4 km |
| Jul 15, 1992 | 26 km NNW of Mexican Hat, Utah | M3.0 | 98 km | 5 km |
| May 20, 1994 | 0 km SSE of Oljato-Monument Valley, Utah | M3.0 | 62 km | -1 km |
| Apr 14, 2009 | 33 km NE of Halls Crossing, Utah | M2.9 | 133 km | 3 km |
| Mar 18, 2017 | 27 km NE of Halls Crossing, Utah | M2.9 | 129 km | 6 km |
| Oct 18, 2016 | 35 km NNE of Halls Crossing, Utah | M2.9 | 145 km | 8 km |
| Sep 13, 1996 | 10 km NW of Kayenta, Arizona | M2.9 | 42 km | 2 km |
| Aug 23, 2009 | 32 km NE of Halls Crossing, Utah | M2.8 | 134 km | 6 km |
| Sep 22, 1992 | 15 km NW of Oljato-Monument Valley, Utah | M2.8 | 77 km | 0 km |
| Jun 10, 2020 | 5 km WNW of Tsaile, Arizona | M2.8 | 72 km | 14 km |
| Aug 24, 2012 | 5 km SE of LeChee, Arizona | M2.8 | 125 km | 6 km |
| Aug 13, 2015 | 31 km N of Halls Crossing, Utah | M2.8 | 149 km | 21 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
9 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF0.
| Date | Rating | Distance | Path | Fatalities |
| Sep 13, 2022 | EF0 | 43 km | 7.7 mi | 0 |
| Oct 20, 2015 | EF0 | 97 km | 6.9 mi | 0 |
| Jun 6, 2015 | EF0 | 69 km | 28.7 mi | 0 |
| Oct 21, 2010 | EF0 | 42 km | 0.8 mi | 0 |
| Aug 3, 2010 | EF0 | 46 km | 1.0 mi | 0 |
| Oct 18, 2005 | EF0 | 90 km | 30.0 mi | 0 |
| Oct 3, 2003 | EF0 | 99 km | 0.1 mi | 0 |
| May 25, 1996 | EF0 | 32 km | 0.1 mi | 0 |
| Apr 29, 1957 | EF0 | 44 km | 2.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Nearby Volcanoes
1 volcano within 200 km. Closest: San Francisco Volcanic Field (194 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Francisco Volcanic Field | Pyroclastic cone | 3,850 m (12,631 ft) | 1075 | 194 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km. Largest: WOOD SPRINGS 2 (13,208 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | WOOD SPRINGS 2 | 13,208 | 93 km |
| 2006 | NAVAJO MOUNTAIN 1 | 5,257 | 96 km |
| 2002 | CARRIZO 1 | 3,701 | 91 km |
| 2004 | TURKEY SPRING | 3,017 | 88 km |
| 2010 | FLUTED ROCK LAKE RX | 2,630 | 99 km |
| 2011 | CATTAIL CANYON JACKPOT BURN | 1,801 | 95 km |
| 2001 | 9400 FMZ | 1,312 | 94 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.2 in | Coldest |
| February | 34°F (1°C) | 1.0 in | |
| March | 41°F (5°C) | 0.8 in | |
| April | 48°F (9°C) | 0.6 in | |
| May | 58°F (14°C) | 0.6 in | |
| June | 68°F (20°C) | 0.2 in | Driest |
| July | 73°F (23°C) | 1.2 in | Warmest |
| August | 71°F (21°C) | 1.5 in | Wettest |
| September | 64°F (18°C) | 1.2 in | |
| October | 53°F (11°C) | 1.0 in | |
| November | 41°F (5°C) | 0.7 in | |
| December | 31°F (-0°C) | 1.2 in |
Chilchinbito has a seasonal temperature swing of 42°F / from 31°F in January to 73°F in July. Total annual precipitation is 11.1 inches, with August being the wettest month (1.5") and June the driest (0.2").