Weather & Climate in Tucson, AZ

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

Tucson has a warm climate with an average annual temperature of 72°F (22°C). Winters average 49°F in January while summers reach 95°F in July. The area gets 353 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 10.4 inches (drier than the 38-inch national average). The area receives 2.3 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 2,694 feet.

Temperature

49°F Jan (9°C) 95°F Jul (35°C)

Annual Average	71.5°F
	32% above US avg
January Average	49°F (9°C)
July Average	95°F (35°C)
Sunny Days	353 days/yr

Geography

Elevation	2,694 ft (821 m)
Area	227.0 sq mi (588.0 km²)
Population Density	2,243/sq mi
Coordinates	32.1530°N, 110.8708°W
Timezone	America/Phoenix
County	Santa Cruz County County
Nearest Airport	Tucson International (TUS) 5 miles away

Precipitation & Snow

Annual Rainfall 10.4"

73% below US avg

Snowfall 2.3"

Wettest Month (Jul) 2.44"

Driest Month (May) 0.20"

Air Quality

AQI Median	45.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	88.3 / 100
Social Vulnerability	92.3 / 100
Community Resilience	2.3 / 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 High
Winter Weather	Very Low
Lightning	Relatively High
Drought	Relatively Low
Cold Wave	No Rating
Landslide	Relatively Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.1.

Sep 28, 2023	21 km E of Tanque Verde, Arizona	M3.1	35 km	12 km
Aug 9, 2025	14 km ENE of Willow Canyon, Arizona	M2.6	43 km	12 km

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

Tornado History

45 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	29 km	2.0 mi	0
Aug 27, 1964	EF2	15 km	0.1 mi	2
Jul 2, 2024	EF1	4 km	3.3 mi	0
Sep 23, 2019	EF1	93 km	1.7 mi	0
Jul 6, 1992	EF1	10 km	2.8 mi	0
Aug 24, 1991	EF1	48 km	1.0 mi	0
Jul 20, 1988	EF1	94 km	0.5 mi	0
Jul 16, 1984	EF1	2 km	0.1 mi	0
Jul 16, 1984	EF1	29 km	0.1 mi	0
Dec 23, 1975	EF1	53 km	2.0 mi	0
Oct 23, 1974	EF1	62 km	4.7 mi	0
Oct 23, 1974	EF1	83 km	0.1 mi	0
Jun 23, 1974	EF1	15 km	1.0 mi	1
Jun 21, 1972	EF1	92 km	1.0 mi	0
Sep 1, 1971	EF1	33 km	0.1 mi	0
Jul 17, 1971	EF1	99 km	0.1 mi	0
Jul 16, 1971	EF1	86 km	0.1 mi	0
Aug 16, 1969	EF1	27 km	1.0 mi	0
Jul 27, 1961	EF1	7 km	0.1 mi	0
Aug 13, 2023	EF0	49 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	35 km
2003	ASPEN	79,707	32 km
2011	MURPHY COMPLEX	64,407	80 km
2017	SAWMILL	47,357	41 km
2002	RYAN	36,922	73 km
2024	FREEMAN	32,950	69 km
2002	BULLOCK	31,774	36 km
2022	CONTRERAS	31,297	74 km
2017	BURRO	26,852	35 km
1993	MARKHAM	24,636	60 km
2009	ELK HORN	22,745	78 km
2002	WALKER	17,438	92 km
2022	TONTO CANYON	16,989	91 km
2005	FLORIDA	16,362	48 km
2011	BULL	16,339	93 km
2017	LIZARD	15,791	84 km
2016	BROWN	15,681	79 km
1994	RINCON	15,472	33 km
2020	ENCINOS	14,145	90 km
2014	OAK	13,664	77 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	49°F (9°C)	1.0 in	Coldest
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	95°F (35°C)	2.4 in	Warmest, Wettest
August	84°F (29°C)	2.4 in
September	80°F (27°C)	1.4 in
October	70°F (21°C)	1.2 in
November	58°F (15°C)	0.7 in
December	52°F (11°C)	1.1 in

Tucson has a seasonal temperature swing of 46°F / from 49°F in January to 95°F in July. Total annual precipitation is 13.0 inches, with July being the wettest month (2.4") and May the driest (0.2").

View full profile of Tucson, AZ →