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Weather & Climate in Yarnell, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yarnell enjoys a temperate climate with an average annual temperature of 67°F (20°C). Winters average 50°F in January while summers reach 88°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 10.9 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 4,888 feet.
Temperature
50°F Jan (10°C)
88°F Jul (31°C)
| Annual Average | 67.2°F |
| 24% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 88°F (31°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 4,888 ft (1,490 m) |
| Area | 8.9 sq mi (23.0 km²) |
| Population Density | 66/sq mi |
| Coordinates | 34.2282°N, 112.7629°W |
| Timezone | America/Phoenix |
| County | Yavapai County County |
| Nearest Airport | Prescott Regional - Ernest A Love Field (PRC) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.7 / 100 |
| Social Vulnerability | 73.0 / 100 |
| Community Resilience | 18.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | No Rating |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Very High |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
40 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Jul 23, 2023 | 2 km E of Chino Valley, Arizona | M3.8 | 66 km | 5 km |
| Mar 18, 2011 | 7 km NNW of Clarkdale, Arizona | M3.8 | 91 km | 5 km |
| Jan 23, 2011 | 7 km NNW of Clarkdale, Arizona | M3.6 | 92 km | 5 km |
| Oct 25, 2011 | 4 km WSW of Paulden, Arizona | M3.5 | 75 km | 5 km |
| Nov 13, 1991 | 5 km NW of Prescott Valley, Arizona | M3.5 | 59 km | 5 km |
| Apr 7, 1992 | 20 km ESE of Peach Springs, Arizona | M3.4 | 142 km | 5 km |
| Apr 1, 1994 | 22 km WNW of Paulden, Arizona | M3.3 | 79 km | 5 km |
| Apr 7, 2021 | 4 km ESE of Flagstaff, Arizona | M3.3 | 149 km | 5 km |
| Jan 5, 2008 | 20km SE of Kingman, AZ | M3.2 | 139 km | 6 km |
| May 9, 2009 | 11 km SSW of Cordes Lakes, Arizona | M3.1 | 57 km | 5 km |
| Jan 17, 2015 | 40 km N of Bagdad, Arizona | M3.1 | 91 km | 12 km |
| May 5, 2015 | 6 km W of Munds Park, Arizona | M3.1 | 126 km | 7 km |
| Aug 10, 2003 | 44 km SE of Valentine, Arizona | M3.0 | 109 km | 5 km |
| Mar 4, 2015 | 26 km ENE of Bagdad, Arizona | M3.0 | 49 km | 5 km |
| Jun 17, 2014 | 17 km SSE of Williams, Arizona | M3.0 | 116 km | 10 km |
| Aug 4, 2014 | 24 km SSE of Valentine, Arizona | M2.9 | 129 km | 5 km |
| Jan 17, 2008 | 17 km E of Yucca, Arizona | M2.9 | 131 km | 5 km |
| Jul 18, 2021 | 27 km SW of Valle, Arizona | M2.9 | 145 km | 5 km |
| Mar 2, 2015 | 19 km E of Yucca, Arizona | M2.9 | 131 km | 5 km |
| Sep 17, 2023 | 20 km ESE of Peach Springs, Arizona | M2.8 | 141 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
45 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 7 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 10, 1972 | EF3 | 64 km | 0.1 mi | 0 |
| May 16, 1993 | EF2 | 61 km | 0.3 mi | 0 |
| Sep 14, 1971 | EF2 | 98 km | 0.1 mi | 0 |
| Oct 3, 1968 | EF2 | 88 km | 0.1 mi | 0 |
| Jul 29, 2010 | EF1 | 92 km | 1.4 mi | 0 |
| Sep 13, 1996 | EF1 | 63 km | 4.0 mi | 0 |
| Aug 9, 1984 | EF1 | 90 km | 0.5 mi | 0 |
| Aug 8, 1983 | EF1 | 97 km | 0.2 mi | 0 |
| Sep 5, 1981 | EF1 | 74 km | 1.0 mi | 0 |
| Mar 14, 1979 | EF1 | 95 km | 0.5 mi | 0 |
| Mar 25, 1977 | EF1 | 85 km | 1.0 mi | 0 |
| Aug 24, 1974 | EF1 | 89 km | 0.1 mi | 0 |
| Jul 29, 1967 | EF1 | 54 km | 0.1 mi | 0 |
| Nov 2, 1959 | EF1 | 53 km | 0.1 mi | 0 |
| Sep 9, 2023 | EF0 | 64 km | 0.1 mi | 0 |
| Jul 17, 2023 | EF0 | 56 km | 5.5 mi | 0 |
| Jun 25, 2022 | EF0 | 72 km | 0.1 mi | 0 |
| Jul 11, 2021 | EF0 | 63 km | 0.7 mi | 0 |
| Nov 29, 2019 | EF0 | 99 km | 8.9 mi | 0 |
| Nov 29, 2019 | EF0 | 95 km | 10.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km. Closest: San Francisco Volcanic Field (159 km).
| Name | Type | Elevation | Last Eruption | Distance |
| San Francisco Volcanic Field | Pyroclastic cone | 3,850 m (12,631 ft) | 1075 | 159 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: CAVE CREEK COMPLEX (246,143 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | CAVE CREEK COMPLEX | 246,143 | 82 km |
| 2017 | BROOKLYN | 39,780 | 69 km |
| 1998 | UNNAMED | 38,814 | 21 km |
| 2023 | PILOT | 29,883 | 93 km |
| 2017 | GOODWIN | 28,192 | 46 km |
| 2024 | SKELETON | 22,753 | 67 km |
| 2005 | SH RANCH COMPLEX | 22,636 | 51 km |
| 2019 | SHERIDAN | 17,411 | 60 km |
| 2021 | TIGER | 16,380 | 50 km |
| 1999 | HARCUVAR | 16,305 | 58 km |
| 2012 | GLADIATOR | 16,096 | 39 km |
| 2020 | SEARS | 13,369 | 99 km |
| 2020 | CONSTELLATION | 11,245 | 29 km |
| 2020 | PILOT KNOB | 11,067 | 78 km |
| 2005 | J. CANYON | 10,361 | 17 km |
| 2020 | HORSE | 9,174 | 31 km |
| 2022 | CROOKS | 9,173 | 35 km |
| 2008 | LANE 2 | 8,562 | 42 km |
| 1998 | UNNAMED | 8,527 | 7 km |
| 1994 | UNNAMED | 8,307 | 76 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 1.7 in | |
| February | 46°F (8°C) | 1.7 in | |
| March | 48°F (9°C) | 1.9 in | |
| April | 54°F (12°C) | 0.7 in | |
| May | 62°F (17°C) | 0.5 in | |
| June | 71°F (22°C) | 0.3 in | Driest |
| July | 88°F (31°C) | 2.3 in | Warmest |
| August | 76°F (24°C) | 2.9 in | Wettest |
| September | 71°F (22°C) | 1.7 in | |
| October | 61°F (16°C) | 1.2 in | |
| November | 51°F (11°C) | 1.5 in | |
| December | 44°F (7°C) | 1.5 in | Coldest |
Yarnell has a seasonal temperature swing of 44°F / from 44°F in December to 88°F in July. Total annual precipitation is 17.9 inches, with August being the wettest month (2.9") and June the driest (0.3").