Weather & Climate in Pinal, AZ

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Pinal enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 44°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 15.6 inches (drier than the 38-inch national average). Air quality is rated Moderate with a median AQI of 77 / residents may notice occasional air quality concerns. 21% of days have good air quality. The city sits at an elevation of 3,741 feet.

Temperature

44°F Jan (7°C) 84°F Jul (29°C)

Annual Average	63.7°F
	18% above US avg
January Average	44°F (7°C)
July Average	84°F (29°C)
Sunny Days	330 days/yr

Geography

Elevation	3,741 ft (1,140 m)
Area	0.4 sq mi (1.1 km²)
Population Density	1,029/sq mi
Coordinates	33.3801°N, 110.7572°W
Timezone	America/Phoenix
County	Gila County County
Nearest Airport	Marana Regional (AVW) 72 miles away

Precipitation & Snow

Annual Rainfall 15.6"

59% below US avg

Wettest Month (Aug) 2.83"

Driest Month (Jun) 0.31"

Air Quality

AQI Median	77.0
Rating	Moderate
Good Days %	21.0%
Unhealthy Days	70

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	90.2 / 100
Social Vulnerability	86.7 / 100
Community Resilience	6.4 / 100

Hazard Breakdown

Tornado	Very Low
Hurricane	Very Low
Earthquake	Very Low
Wildfire	Relatively High
Flood	Relatively Moderate
Hail	Very Low
Strong Wind	Relatively Low
Heat Wave	Relatively Moderate
Winter Weather	Relatively High
Lightning	Relatively 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

30 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.

Mar 2, 2005	40 km SSW of Winslow West, Arizona	M5.1	150 km	5 km
Jan 28, 2005	40 km NE of Washington Park, Arizona	M3.8	149 km	5 km
May 24, 2010	27 km NNE of Morenci, Arizona	M3.6	142 km	5 km
Oct 8, 2012	32 km WNW of Glenwood, New Mexico	M3.6	143 km	5 km
May 24, 2010	24 km NNE of Morenci, Arizona	M3.6	140 km	5 km
Feb 8, 2005	37 km NE of Washington Park, Arizona	M3.6	147 km	5 km
Oct 29, 2012	35 km WNW of Glenwood, New Mexico	M3.5	140 km	5 km
Jul 1, 2005	23 km NE of Washington Park, Arizona	M3.4	137 km	5 km
Feb 16, 2013	34 km WNW of Glenwood, New Mexico	M3.3	141 km	5 km
Mar 18, 2025	13 km NNE of Clay Springs, Arizona	M3.2	131 km	5 km
Jul 1, 2005	37 km NE of Washington Park, Arizona	M3.2	146 km	5 km
Jun 25, 2010	8 km SW of Roosevelt, Arizona	M3.1	48 km	5 km
Sep 28, 2023	21 km E of Tanque Verde, Arizona	M3.1	131 km	12 km
Feb 19, 2025	0 km SW of Christopher Creek, Arizona	M3.0	107 km	11 km
May 25, 2010	25 km NNE of Clifton, Arizona	M3.0	145 km	5 km
Jun 18, 2022	4 km SW of Clay Springs, Arizona	M3.0	113 km	10 km
Aug 30, 2014	8 km W of Rock House, Arizona	M2.9	39 km	3 km
Feb 8, 2005	41 km NE of Washington Park, Arizona	M2.9	149 km	5 km
Sep 9, 2014	6 km SE of Roosevelt, Arizona	M2.9	41 km	3 km
Mar 12, 2004	24 km NW of Morenci, Arizona	M2.8	113 km	5 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

35 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 11 injuries.

Date	Rating	Distance	Path	Fatalities
Jul 4, 1968	EF2	92 km	0.1 mi	0
Jul 14, 1996	EF1	4 km	0.1 mi	0
Feb 13, 1995	EF1	88 km	0.5 mi	0
Jan 18, 1993	EF1	88 km	2.0 mi	0
Jul 20, 1988	EF1	92 km	0.5 mi	0
Nov 18, 1986	EF1	74 km	0.5 mi	0
Mar 15, 1985	EF1	84 km	0.1 mi	0
May 4, 1976	EF1	90 km	2.0 mi	0
Oct 23, 1974	EF1	76 km	4.7 mi	0
Oct 23, 1974	EF1	54 km	0.1 mi	0
Oct 18, 1972	EF1	72 km	0.1 mi	0
Sep 1, 1971	EF1	93 km	32.4 mi	0
Sep 5, 1970	EF1	94 km	2.3 mi	0
Dec 19, 1967	EF1	99 km	0.3 mi	0
Aug 9, 1966	EF1	5 km	0.1 mi	0
Jun 13, 1955	EF1	82 km	1.0 mi	0
Jul 24, 2020	EF0	79 km	0.4 mi	0
Nov 29, 2019	EF0	83 km	3.6 mi	0
Nov 29, 2019	EF0	93 km	4.5 mi	0
Jul 30, 2019	EF0	100 km	1.0 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: RODEO (461,774 acres, 2002).

Year	Name	Acres Burned	Distance
2002	RODEO	461,774	99 km
2020	BUSH	212,542	74 km
2021	TELEGRAPH	187,248	22 km
2001	UNNAMED	151,684	78 km
2019	WOODBURY	130,242	42 km
2021	MESCAL	79,346	20 km
2014	SKUNK	73,774	67 km
2005	EDGE COMPLEX	69,291	75 km
2020	GRIFFIN	61,455	19 km
1996	LONE	60,574	62 km
2016	CEDAR	44,163	90 km
2021	PINNACLE	35,281	75 km
2015	WHITETAIL	33,592	53 km
2017	HILLTOP	32,983	52 km
2024	FREEMAN	32,950	70 km
2016	JUNIPER	32,293	56 km
2020	VALLEY	29,331	46 km
2020	BLUE RIVER	29,314	40 km
2020	BLUE RIVER 2	26,885	53 km
2024	SAND STONE	26,470	86 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	44°F (7°C)	2.0 in	Coldest
February	48°F (9°C)	1.9 in
March	52°F (11°C)	2.2 in
April	59°F (15°C)	0.7 in
May	68°F (20°C)	0.4 in
June	78°F (25°C)	0.3 in	Driest
July	84°F (29°C)	2.3 in	Warmest
August	80°F (27°C)	2.8 in	Wettest
September	75°F (24°C)	1.7 in
October	65°F (18°C)	1.7 in
November	53°F (12°C)	1.6 in
December	46°F (8°C)	2.1 in

Pinal has a seasonal temperature swing of 40°F / from 44°F in January to 84°F in July. Total annual precipitation is 19.6 inches, with August being the wettest month (2.8") and June the driest (0.3").

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