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Weather & Climate in Pima, AZ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Pima enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 46°F in January while summers reach 84°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 8.8 inches (drier than the 38-inch national average). Air quality is rated Moderate with a median AQI of 56. 31% of days have good air quality. The city sits at an elevation of 2,876 feet.
Temperature
46°F Jan (8°C)
84°F Jul (29°C)
| Annual Average | 65.1°F |
| 21% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 2,876 ft (877 m) |
| Area | 7.3 sq mi (18.9 km²) |
| Population Density | 399/sq mi |
| Coordinates | 32.8919°N, 109.8443°W |
| Timezone | America/Phoenix |
| County | Graham County County |
| Nearest Airport | Safford Regional (SAD) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 56.0 |
| Rating | Moderate |
| Good Days % | 30.9% |
| Unhealthy Days | 12 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.6 / 100 |
| Social Vulnerability | 71.6 / 100 |
| Community Resilience | 7.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively 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
63 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.3.
| Jun 29, 2014 | 13 km SW of Franklin, Arizona | M5.3 | 72 km | 6 km |
| Jun 29, 2014 | 12 km S of Franklin, Arizona | M4.0 | 79 km | 5 km |
| Jul 3, 2014 | 11 km S of Franklin, Arizona | M3.9 | 79 km | 5 km |
| Jul 10, 2014 | 16 km S of Franklin, Arizona | M3.6 | 80 km | 5 km |
| Jun 29, 2014 | 16 km SSW of Franklin, Arizona | M3.6 | 75 km | 5 km |
| Oct 8, 2012 | 32 km WNW of Glenwood, New Mexico | M3.6 | 81 km | 5 km |
| May 24, 2010 | 27 km NNE of Morenci, Arizona | M3.6 | 73 km | 5 km |
| May 24, 2010 | 24 km NNE of Morenci, Arizona | M3.6 | 70 km | 5 km |
| Jul 9, 2014 | 13 km S of Franklin, Arizona | M3.6 | 81 km | 5 km |
| Jul 11, 2014 | 5 km WSW of Franklin, Arizona | M3.6 | 72 km | 5 km |
| Jul 12, 2014 | 17 km S of Franklin, Arizona | M3.6 | 80 km | 5 km |
| Oct 29, 2012 | 35 km WNW of Glenwood, New Mexico | M3.5 | 79 km | 5 km |
| Jun 29, 2014 | 14 km S of Franklin, Arizona | M3.5 | 83 km | 5 km |
| Jun 30, 2014 | 19 km SSW of Franklin, Arizona | M3.5 | 79 km | 5 km |
| Jul 11, 2014 | 12 km SSW of Franklin, Arizona | M3.5 | 75 km | 5 km |
| Jul 6, 2014 | Arizona | M3.5 | 74 km | 5 km |
| Apr 27, 2019 | 2 km WSW of Franklin, Arizona | M3.4 | 74 km | 10 km |
| Jan 25, 2015 | 9 km S of Franklin, Arizona | M3.4 | 80 km | 5 km |
| Jun 29, 2014 | 10 km SW of Franklin, Arizona | M3.4 | 72 km | 5 km |
| Jul 11, 2014 | 6 km SSW of Franklin, Arizona | M3.3 | 74 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
11 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 5 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Sep 23, 2019 | EF1 | 70 km | 1.7 mi | 0 |
| Jul 14, 1996 | EF1 | 97 km | 0.1 mi | 0 |
| Oct 23, 1974 | EF1 | 89 km | 4.7 mi | 0 |
| Oct 23, 1974 | EF1 | 92 km | 0.1 mi | 0 |
| Sep 1, 1971 | EF1 | 98 km | 0.1 mi | 0 |
| Jul 17, 1971 | EF1 | 71 km | 0.1 mi | 0 |
| Jul 31, 2015 | EF0 | 13 km | 0.6 mi | 0 |
| Aug 15, 2014 | EF0 | 71 km | 0.8 mi | 0 |
| Aug 17, 1992 | EF0 | 53 km | 0.1 mi | 0 |
| Jul 25, 1974 | EF0 | 100 km | 0.1 mi | 0 |
| Sep 9, 1972 | EF0 | 79 km | 0.1 mi | 0 |
| Aug 31, 1966 | EF0 | 88 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km. Closest: Red Hill (178 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Red Hill | Volcanic field | 2,300 m (7,546 ft) | -9450 | 178 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (151,684 acres, 2001).
| Year | Name | Acres Burned | Distance |
| 2001 | UNNAMED | 151,684 | 44 km |
| 2020 | BIGHORN | 126,131 | 97 km |
| 2021 | MESCAL | 79,346 | 82 km |
| 2014 | SKUNK | 73,774 | 65 km |
| 2017 | FRYE | 54,202 | 20 km |
| 2021 | PINNACLE | 35,281 | 34 km |
| 2015 | WHITETAIL | 33,592 | 82 km |
| 2017 | HILLTOP | 32,983 | 98 km |
| 2004 | NUTALL COMPLEX (NUTALL) | 31,880 | 20 km |
| 2002 | BULLOCK | 31,774 | 93 km |
| 2020 | VALLEY | 29,331 | 69 km |
| 2020 | BLUE RIVER | 29,314 | 82 km |
| 2018 | RATTLESNAKE | 27,383 | 90 km |
| 2020 | BLUE RIVER 2 | 26,885 | 74 km |
| 2017 | BURRO | 26,852 | 92 km |
| 2009 | GREASEWOOD | 24,902 | 43 km |
| 1993 | MARKHAM | 24,636 | 67 km |
| 2021 | BEAR | 24,459 | 79 km |
| 2020 | BRINGHAM | 23,134 | 80 km |
| 2020 | CASSADORE SPRINGS | 21,534 | 88 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 0.9 in | |
| February | 50°F (10°C) | 0.9 in | |
| March | 55°F (13°C) | 0.9 in | |
| April | 62°F (16°C) | 0.3 in | Driest |
| May | 70°F (21°C) | 0.3 in | |
| June | 80°F (26°C) | 0.3 in | |
| July | 84°F (29°C) | 1.7 in | Warmest |
| August | 82°F (28°C) | 2.0 in | Wettest |
| September | 76°F (25°C) | 1.3 in | |
| October | 65°F (18°C) | 1.2 in | |
| November | 53°F (12°C) | 0.8 in | |
| December | 45°F (7°C) | 1.2 in | Coldest |
Pima has a seasonal temperature swing of 39°F / from 45°F in December to 84°F in July. Total annual precipitation is 11.8 inches, with August being the wettest month (2.0") and April the driest (0.3").