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Weather & Climate in First Mesa, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
First Mesa experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 31°F in January while summers reach 73°F in July. The area gets 318 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 5,655 feet.
Temperature
31°F Jan (-0°C)
73°F Jul (23°C)
| Annual Average | 50.8°F |
| 6% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 5,655 ft (1,724 m) |
| Area | 15.8 sq mi (40.8 km²) |
| Population Density | 88/sq mi |
| Coordinates | 35.8317°N, 110.3689°W |
| Timezone | America/Phoenix |
| County | Navajo County County |
| Nearest Airport | Winslow-Lindbergh Regional (INW) 59 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
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
43 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Mar 2, 2005 | 40 km SSW of Winslow West, Arizona | M5.1 | 136 km | 5 km |
| Jan 30, 2005 | 41 km NNE of Washington Park, Arizona | M4.0 | 135 km | 5 km |
| Jan 6, 1998 | 15 km WSW of Joseph City, Arizona | M3.9 | 103 km | 5 km |
| Jan 28, 2005 | 40 km NE of Washington Park, Arizona | M3.8 | 137 km | 5 km |
| Feb 8, 2005 | 37 km NE of Washington Park, Arizona | M3.6 | 140 km | 5 km |
| Mar 1, 2025 | 6 km SE of Moenkopi, Arizona | M3.4 | 77 km | 12 km |
| Oct 18, 1998 | 14 km SE of Moenkopi, Arizona | M3.4 | 69 km | 5 km |
| May 10, 2023 | 33 km SW of Cameron, Arizona | M3.4 | 118 km | 7 km |
| Jun 25, 1991 | 10 km W of Oljato-Monument Valley, Utah | M3.4 | 132 km | 0 km |
| Apr 7, 2021 | 4 km ESE of Flagstaff, Arizona | M3.3 | 134 km | 5 km |
| Jul 13, 2009 | 3 km SE of Navajo Mountain, Utah | M3.3 | 135 km | 3 km |
| Jul 4, 2007 | 9 km S of Moenkopi, Arizona | M3.2 | 79 km | 5 km |
| Jul 1, 2005 | 37 km NE of Washington Park, Arizona | M3.2 | 140 km | 5 km |
| Jan 8, 2012 | 28 km SW of Winslow West, Arizona | M3.2 | 123 km | 5 km |
| May 10, 2023 | 31 km SW of Cameron, Arizona | M3.1 | 117 km | 11 km |
| May 20, 1994 | 0 km SSE of Oljato-Monument Valley, Utah | M3.0 | 133 km | -1 km |
| Feb 8, 2005 | 41 km NE of Washington Park, Arizona | M2.9 | 136 km | 5 km |
| Feb 11, 1999 | 30 km SSW of Cameron, Arizona | M2.9 | 111 km | 5 km |
| Sep 13, 1996 | 10 km NW of Kayenta, Arizona | M2.9 | 107 km | 2 km |
| Sep 22, 1992 | 15 km NW of Oljato-Monument Valley, Utah | M2.8 | 145 km | 0 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
25 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3.
| Date | Rating | Distance | Path | Fatalities |
| Oct 6, 2010 | EF3 | 58 km | 0.0 mi | 0 |
| Oct 18, 2024 | EF0 | 88 km | 9.1 mi | 0 |
| Aug 8, 2023 | EF0 | 94 km | 5.0 mi | 0 |
| Sep 13, 2022 | EF0 | 97 km | 0.1 mi | 0 |
| Jun 16, 2021 | EF0 | 40 km | 0.1 mi | 0 |
| May 20, 2019 | EF0 | 92 km | 1.0 mi | 0 |
| Oct 21, 2018 | EF0 | 98 km | 1.7 mi | 0 |
| Oct 20, 2015 | EF0 | 58 km | 6.9 mi | 0 |
| Jul 15, 2013 | EF0 | 94 km | 0.1 mi | 0 |
| Oct 21, 2010 | EF0 | 59 km | 0.8 mi | 0 |
| Aug 3, 2010 | EF0 | 83 km | 1.0 mi | 0 |
| Mar 19, 2006 | EF0 | 82 km | 0.1 mi | 0 |
| Oct 18, 2005 | EF0 | 23 km | 30.0 mi | 0 |
| Oct 18, 2005 | EF0 | 95 km | 10.0 mi | 0 |
| Sep 29, 2004 | EF0 | 96 km | 3.0 mi | 0 |
| Oct 3, 2003 | EF0 | 37 km | 0.1 mi | 0 |
| Sep 9, 2003 | EF0 | 91 km | 1.0 mi | 0 |
| Jun 17, 2003 | EF0 | 94 km | 0.5 mi | 0 |
| May 6, 2003 | EF0 | 96 km | 0.1 mi | 0 |
| Sep 12, 1997 | EF0 | 96 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km. Closest: San Francisco Volcanic Field (130 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Francisco Volcanic Field | Pyroclastic cone | 3,850 m (12,631 ft) | 1075 | 130 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
4 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 | 95 km |
| 2007 | OAK RIDGE 3 | 2,959 | 93 km |
| 2006 | KINLICHEE 2 | 1,738 | 88 km |
| 2001 | 9400 FMZ | 1,312 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 0.6 in | Coldest |
| February | 38°F (3°C) | 0.6 in | |
| March | 44°F (6°C) | 0.8 in | |
| April | 51°F (10°C) | 0.5 in | |
| May | 59°F (15°C) | 0.4 in | |
| June | 69°F (21°C) | 0.2 in | Driest |
| July | 73°F (23°C) | 1.1 in | Warmest |
| August | 73°F (23°C) | 1.3 in | Wettest |
| September | 66°F (19°C) | 0.9 in | |
| October | 54°F (12°C) | 0.9 in | |
| November | 42°F (6°C) | 0.7 in | |
| December | 33°F (0°C) | 0.8 in |
First Mesa has a seasonal temperature swing of 42°F / from 31°F in January to 73°F in July. Total annual precipitation is 8.9 inches, with August being the wettest month (1.3") and June the driest (0.2").