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Weather & Climate in Blackwater, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blackwater has a warm climate with an average annual temperature of 71°F (22°C). Winters average 53°F in January while summers reach 91°F in July. The area gets 323 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 1,367 feet.
Temperature
53°F Jan (12°C)
91°F Jul (33°C)
| Annual Average | 71.4°F |
| 32% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 91°F (33°C) |
| Sunny Days | 323 days/yr |
Geography
| Elevation | 1,367 ft (417 m) |
| Area | 17.9 sq mi (46.5 km²) |
| Population Density | 125/sq mi |
| Coordinates | 33.0396°N, 111.5799°W |
| Timezone | America/Phoenix |
| County | Pinal County County |
| Nearest Airport | Phoenix Sky Harbor International (PHX) 37 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.8 / 100 |
| Social Vulnerability | 43.7 / 100 |
| Community Resilience | 13.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Very Low |
| Lightning | Very High |
| Drought | Relatively High |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.1.
| May 9, 2009 | 11 km SSW of Cordes Lakes, Arizona | M3.1 | 140 km | 5 km |
| Jun 25, 2010 | 8 km SW of Roosevelt, Arizona | M3.1 | 73 km | 5 km |
| Sep 28, 2023 | 21 km E of Tanque Verde, Arizona | M3.1 | 135 km | 12 km |
| Sep 9, 2014 | 6 km SE of Roosevelt, Arizona | M2.9 | 79 km | 3 km |
| Aug 30, 2014 | 8 km W of Rock House, Arizona | M2.9 | 84 km | 3 km |
| Sep 26, 2010 | 3 km NNW of Roosevelt, Arizona | M2.8 | 83 km | 5 km |
| Jun 6, 2020 | 5 km NW of New River, Arizona | M2.6 | 115 km | 5 km |
| Feb 25, 2022 | 1 km S of Roosevelt, Arizona | M2.6 | 80 km | 5 km |
| Aug 9, 2025 | 14 km ENE of Willow Canyon, Arizona | M2.6 | 118 km | 12 km |
| Feb 15, 2022 | 6 km S of Roosevelt, Arizona | M2.5 | 76 km | 10 km |
| Feb 12, 2022 | 2 km ESE of Roosevelt, Arizona | M2.5 | 81 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
90 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 79 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 28, 1994 | EF2 | 90 km | 2.0 mi | 0 |
| Jan 17, 1993 | EF2 | 71 km | 2.1 mi | 0 |
| Jun 21, 1972 | EF2 | 62 km | 13.5 mi | 0 |
| Sep 14, 1971 | EF2 | 79 km | 0.1 mi | 0 |
| Aug 30, 1971 | EF2 | 49 km | 4.7 mi | 0 |
| Oct 3, 1968 | EF2 | 92 km | 0.1 mi | 0 |
| Jul 4, 1968 | EF2 | 43 km | 0.1 mi | 0 |
| Jul 14, 1996 | EF1 | 86 km | 0.1 mi | 0 |
| Feb 13, 1995 | EF1 | 36 km | 0.5 mi | 0 |
| Jan 18, 1993 | EF1 | 12 km | 2.0 mi | 0 |
| May 23, 1992 | EF1 | 67 km | 0.5 mi | 0 |
| Jan 6, 1992 | EF1 | 67 km | 1.2 mi | 0 |
| Aug 24, 1991 | EF1 | 75 km | 1.0 mi | 0 |
| Jul 20, 1988 | EF1 | 26 km | 0.5 mi | 0 |
| Nov 18, 1986 | EF1 | 42 km | 0.5 mi | 0 |
| Mar 15, 1985 | EF1 | 10 km | 0.1 mi | 0 |
| Aug 9, 1984 | EF1 | 82 km | 0.5 mi | 0 |
| Jul 22, 1984 | EF1 | 23 km | 1.0 mi | 0 |
| Aug 16, 1983 | EF1 | 60 km | 0.3 mi | 0 |
| Aug 8, 1983 | EF1 | 78 km | 0.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BUSH (212,542 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | BUSH | 212,542 | 88 km |
| 2021 | TELEGRAPH | 187,248 | 64 km |
| 2019 | WOODBURY | 130,242 | 65 km |
| 2021 | MESCAL | 79,346 | 93 km |
| 2005 | EDGE COMPLEX | 69,291 | 85 km |
| 1996 | LONE | 60,574 | 76 km |
| 2024 | FREEMAN | 32,950 | 65 km |
| 2024 | SAND STONE | 26,470 | 81 km |
| 2020 | SAWTOOTH | 23,174 | 47 km |
| 1995 | RIO | 22,666 | 75 km |
| 2020 | SALT | 21,885 | 83 km |
| 2020 | ROCKHOUSE | 18,435 | 97 km |
| 2005 | THREE FIRE COMPLEX (THREE) | 15,849 | 81 km |
| 2024 | SIPHON | 15,019 | 50 km |
| 2024 | WILDCAT | 14,176 | 92 km |
| 1993 | SPRINGS | 13,472 | 70 km |
| 2020 | SEARS | 13,369 | 99 km |
| 1995 | RIVER | 11,707 | 65 km |
| 2005 | BART | 10,997 | 94 km |
| 1988 | JACKET | 9,025 | 83 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (12°C) | 0.9 in | |
| February | 56°F (13°C) | 0.9 in | |
| March | 60°F (16°C) | 1.1 in | |
| April | 68°F (20°C) | 0.4 in | |
| May | 76°F (25°C) | 0.2 in | |
| June | 86°F (30°C) | 0.1 in | Driest |
| July | 91°F (33°C) | 1.1 in | Warmest |
| August | 90°F (32°C) | 1.5 in | Wettest |
| September | 85°F (29°C) | 0.8 in | |
| October | 73°F (23°C) | 0.9 in | |
| November | 60°F (16°C) | 0.8 in | |
| December | 52°F (11°C) | 1.3 in | Coldest |
Blackwater has a seasonal temperature swing of 39°F / from 52°F in December to 91°F in July. Total annual precipitation is 9.9 inches, with August being the wettest month (1.5") and June the driest (0.1").