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Weather & Climate in Red Rock CDP (Pinal County), AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Red Rock CDP (Pinal County) has a warm climate with an average annual temperature of 72°F (22°C). Winters average 54°F in January while summers reach 91°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 10.0 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 1,821 feet.
Temperature
54°F Jan (12°C)
91°F Jul (33°C)
| Annual Average | 72.2°F |
| 34% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 91°F (33°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 1,821 ft (555 m) |
| Area | 47.3 sq mi (122.5 km²) |
| Population Density | 69/sq mi |
| Coordinates | 32.5612°N, 111.3740°W |
| Timezone | America/Phoenix |
| County | Pinal County County |
| Nearest Airport | Marana Regional (AVW) 14 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
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.1.
| Jun 25, 2010 | 8 km SW of Roosevelt, Arizona | M3.1 | 118 km | 5 km |
| Sep 28, 2023 | 21 km E of Tanque Verde, Arizona | M3.1 | 90 km | 12 km |
| Sep 9, 2014 | 6 km SE of Roosevelt, Arizona | M2.9 | 121 km | 3 km |
| Aug 30, 2014 | 8 km W of Rock House, Arizona | M2.9 | 124 km | 3 km |
| Sep 26, 2010 | 3 km NNW of Roosevelt, Arizona | M2.8 | 128 km | 5 km |
| Feb 25, 2022 | 1 km S of Roosevelt, Arizona | M2.6 | 123 km | 5 km |
| Aug 9, 2025 | 14 km ENE of Willow Canyon, Arizona | M2.6 | 79 km | 12 km |
| Feb 15, 2022 | 6 km S of Roosevelt, Arizona | M2.5 | 119 km | 10 km |
| Feb 12, 2022 | 2 km ESE of Roosevelt, Arizona | M2.5 | 124 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
63 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 3 fatalities, 68 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 28, 1994 | EF2 | 39 km | 2.0 mi | 0 |
| Jul 4, 1968 | EF2 | 100 km | 0.1 mi | 0 |
| Aug 27, 1964 | EF2 | 52 km | 0.1 mi | 2 |
| Jul 2, 2024 | EF1 | 69 km | 3.3 mi | 0 |
| Feb 13, 1995 | EF1 | 93 km | 0.5 mi | 0 |
| Jan 18, 1993 | EF1 | 68 km | 2.0 mi | 0 |
| Jul 6, 1992 | EF1 | 56 km | 2.8 mi | 0 |
| Aug 24, 1991 | EF1 | 19 km | 1.0 mi | 0 |
| Jul 20, 1988 | EF1 | 30 km | 0.5 mi | 0 |
| Nov 18, 1986 | EF1 | 97 km | 0.5 mi | 0 |
| Mar 15, 1985 | EF1 | 48 km | 0.1 mi | 0 |
| Jul 22, 1984 | EF1 | 67 km | 1.0 mi | 0 |
| Jul 16, 1984 | EF1 | 64 km | 0.1 mi | 0 |
| Jul 16, 1984 | EF1 | 61 km | 0.1 mi | 0 |
| Sep 5, 1981 | EF1 | 58 km | 2.0 mi | 0 |
| Dec 23, 1975 | EF1 | 57 km | 2.0 mi | 0 |
| Oct 23, 1974 | EF1 | 63 km | 0.1 mi | 0 |
| Oct 23, 1974 | EF1 | 59 km | 4.7 mi | 0 |
| Jun 23, 1974 | EF1 | 59 km | 1.0 mi | 1 |
| Oct 18, 1972 | EF1 | 97 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: TELEGRAPH (187,248 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | TELEGRAPH | 187,248 | 88 km |
| 2020 | BIGHORN | 126,131 | 62 km |
| 2003 | ASPEN | 79,707 | 58 km |
| 2024 | FREEMAN | 32,950 | 45 km |
| 2002 | BULLOCK | 31,774 | 68 km |
| 2022 | CONTRERAS | 31,297 | 76 km |
| 2017 | BURRO | 26,852 | 75 km |
| 1993 | MARKHAM | 24,636 | 93 km |
| 2020 | SAWTOOTH | 23,174 | 92 km |
| 2009 | ELK HORN | 22,745 | 90 km |
| 2020 | ROCKHOUSE | 18,435 | 100 km |
| 2016 | BROWN | 15,681 | 91 km |
| 1994 | RINCON | 15,472 | 90 km |
| 2014 | OAK | 13,664 | 100 km |
| 1993 | SPRINGS | 13,472 | 46 km |
| 1989 | CHIVA | 9,210 | 80 km |
| 2022 | REDFIELD RX BURN | 8,945 | 99 km |
| 2008 | DISTILLERY | 8,542 | 98 km |
| 2020 | SUPERSTITION | 8,169 | 99 km |
| 2005 | PEACHVILLE | 8,086 | 91 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 0.9 in | |
| February | 56°F (13°C) | 0.8 in | |
| March | 60°F (16°C) | 0.9 in | |
| April | 67°F (20°C) | 0.3 in | |
| May | 76°F (24°C) | 0.2 in | |
| June | 85°F (29°C) | 0.2 in | Driest |
| July | 91°F (33°C) | 1.5 in | Warmest |
| August | 88°F (31°C) | 1.8 in | Wettest |
| September | 84°F (29°C) | 1.1 in | |
| October | 73°F (23°C) | 1.0 in | |
| November | 60°F (16°C) | 0.8 in | |
| December | 52°F (11°C) | 1.3 in | Coldest |
Red Rock CDP (Pinal County) has a seasonal temperature swing of 39°F / from 52°F in December to 91°F in July. Total annual precipitation is 10.7 inches, with August being the wettest month (1.8") and June the driest (0.2").