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Weather & Climate in Tucson Mountains, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tucson Mountains enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 53°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 10.8 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 2,448 feet.
Temperature
53°F Jan (12°C)
88°F Jul (31°C)
| Annual Average | 70.3°F |
| 30% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 88°F (31°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 2,448 ft (746 m) |
| Area | 26.3 sq mi (68.2 km²) |
| Population Density | 434/sq mi |
| Coordinates | 32.2823°N, 111.0774°W |
| Timezone | America/Phoenix |
| County | Pima County County |
| Nearest Airport | Marana Regional (AVW) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 45.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 99.1 / 100 |
| Social Vulnerability | 50.9 / 100 |
| Community Resilience | 20.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Very High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very High |
| Winter Weather | Relatively Moderate |
| Lightning | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
5 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 | 148 km | 5 km |
| Sep 28, 2023 | 21 km E of Tanque Verde, Arizona | M3.1 | 54 km | 12 km |
| Sep 9, 2014 | 6 km SE of Roosevelt, Arizona | M2.9 | 149 km | 3 km |
| Aug 9, 2025 | 14 km ENE of Willow Canyon, Arizona | M2.6 | 52 km | 12 km |
| Feb 15, 2022 | 6 km S of Roosevelt, Arizona | M2.5 | 148 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
49 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 3 fatalities, 61 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 28, 1994 | EF2 | 12 km | 2.0 mi | 0 |
| Aug 27, 1964 | EF2 | 11 km | 0.1 mi | 2 |
| Jul 2, 2024 | EF1 | 28 km | 3.3 mi | 0 |
| Jul 6, 1992 | EF1 | 15 km | 2.8 mi | 0 |
| Aug 24, 1991 | EF1 | 24 km | 1.0 mi | 0 |
| Jul 20, 1988 | EF1 | 71 km | 0.5 mi | 0 |
| Mar 15, 1985 | EF1 | 87 km | 0.1 mi | 0 |
| Jul 16, 1984 | EF1 | 27 km | 0.1 mi | 0 |
| Jul 16, 1984 | EF1 | 22 km | 0.1 mi | 0 |
| Sep 5, 1981 | EF1 | 96 km | 2.0 mi | 0 |
| Dec 23, 1975 | EF1 | 41 km | 2.0 mi | 0 |
| Oct 23, 1974 | EF1 | 55 km | 4.7 mi | 0 |
| Oct 23, 1974 | EF1 | 73 km | 0.1 mi | 0 |
| Jun 23, 1974 | EF1 | 19 km | 1.0 mi | 1 |
| Jun 21, 1972 | EF1 | 68 km | 1.0 mi | 0 |
| Sep 1, 1971 | EF1 | 92 km | 32.4 mi | 0 |
| Sep 1, 1971 | EF1 | 52 km | 0.1 mi | 0 |
| Aug 16, 1969 | EF1 | 41 km | 1.0 mi | 0 |
| Jul 16, 1967 | EF1 | 80 km | 1.0 mi | 0 |
| Jul 27, 1961 | EF1 | 26 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: BIGHORN (126,131 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | BIGHORN | 126,131 | 37 km |
| 2003 | ASPEN | 79,707 | 33 km |
| 2011 | MURPHY COMPLEX | 64,407 | 91 km |
| 2017 | SAWMILL | 47,357 | 63 km |
| 2002 | RYAN | 36,922 | 95 km |
| 2024 | FREEMAN | 32,950 | 56 km |
| 2002 | BULLOCK | 31,774 | 42 km |
| 2022 | CONTRERAS | 31,297 | 65 km |
| 2017 | BURRO | 26,852 | 45 km |
| 1993 | MARKHAM | 24,636 | 69 km |
| 2009 | ELK HORN | 22,745 | 73 km |
| 2005 | FLORIDA | 16,362 | 66 km |
| 2016 | BROWN | 15,681 | 74 km |
| 1994 | RINCON | 15,472 | 53 km |
| 2020 | ENCINOS | 14,145 | 86 km |
| 2014 | OAK | 13,664 | 83 km |
| 1993 | SPRINGS | 13,472 | 52 km |
| 2023 | BEEHIVE | 11,087 | 86 km |
| 2013 | SOLDIER BASIN | 11,052 | 97 km |
| 1986 | SASABE | 10,734 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (12°C) | 1.1 in | |
| February | 55°F (13°C) | 0.9 in | |
| March | 59°F (15°C) | 0.9 in | |
| April | 66°F (19°C) | 0.3 in | |
| May | 74°F (24°C) | 0.2 in | Driest |
| June | 84°F (29°C) | 0.3 in | |
| July | 88°F (31°C) | 2.2 in | Warmest |
| August | 85°F (29°C) | 2.4 in | Wettest |
| September | 81°F (27°C) | 1.4 in | |
| October | 71°F (22°C) | 1.2 in | |
| November | 59°F (15°C) | 0.8 in | |
| December | 52°F (11°C) | 1.3 in | Coldest |
Tucson Mountains has a seasonal temperature swing of 36°F / from 52°F in December to 88°F in July. Total annual precipitation is 12.9 inches, with August being the wettest month (2.4") and May the driest (0.2").