Weather & Climate in Ko Vaya, AZ

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

Ko Vaya enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 42°F in January while summers reach 70°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 19.9 inches (drier than the 38-inch national average). The area receives 8.0 inches of snow annually. Air quality is rated Good with a median AQI of 45. The city sits at an elevation of 2,709 feet.

Temperature

42°F Jan (6°C) 70°F Jul (21°C)

Annual Average	55.7°F
	3% above US avg
January Average	42°F (6°C)
July Average	70°F (21°C)
Sunny Days	330 days/yr

Geography

Elevation	2,709 ft (826 m)
Area	1.1 sq mi (2.8 km²)
Population Density	44/sq mi
Coordinates	32.0815°N, 111.8959°W
Timezone	America/Phoenix
County	Pima County County
Nearest Airport	Marana Regional (AVW) 46 miles away

Precipitation & Snow

Annual Rainfall 19.9"

48% below US avg

Snowfall 8.0"

Wettest Month (Aug) 2.40"

Driest Month (May) 0.16"

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

3 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	131 km	12 km
Mar 31, 1996	147km ESE of Fortuna Foothills, Arizona	M3.0	107 km	6 km
Aug 9, 2025	14 km ENE of Willow Canyon, Arizona	M2.6	132 km	12 km

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

Tornado History

36 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	89 km	2.0 mi	0
Aug 27, 1964	EF2	84 km	0.1 mi	2
Jul 2, 2024	EF1	100 km	3.3 mi	0
Jul 6, 1992	EF1	92 km	2.8 mi	0
Aug 24, 1991	EF1	70 km	1.0 mi	0
Jul 20, 1988	EF1	91 km	0.5 mi	0
Jul 16, 1984	EF1	70 km	0.1 mi	0
Jul 16, 1984	EF1	96 km	0.1 mi	0
Sep 5, 1981	EF1	69 km	2.0 mi	0
Dec 23, 1975	EF1	45 km	2.0 mi	0
Jun 23, 1974	EF1	82 km	1.0 mi	1
Jun 21, 1972	EF1	81 km	1.0 mi	0
Aug 16, 1969	EF1	89 km	1.0 mi	0
Jul 16, 1967	EF1	73 km	1.0 mi	0
Jul 27, 1961	EF1	94 km	0.1 mi	0
Jul 22, 1961	EF1	71 km	0.1 mi	0
Sep 8, 1960	EF1	89 km	0.1 mi	0
Aug 13, 2023	EF0	58 km	0.1 mi	0
Aug 25, 2022	EF0	96 km	0.1 mi	0
Sep 25, 2019	EF0	88 km	0.7 mi	0

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Pinacate (155 km).

Name	Type	Elevation	Last Eruption	Distance
Pinacate	Pyroclastic cone(s)	1,200 m (3,937 ft)	Unknown	155 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CONTRERAS (31,297 acres, 2022).

Year	Name	Acres Burned	Distance
2022	CONTRERAS	31,297	34 km
2009	ELK HORN	22,745	47 km
2016	BROWN	15,681	47 km
2020	ENCINOS	14,145	53 km
2023	BEEHIVE	11,087	95 km
1986	SASABE	10,734	71 km
2016	MULE RIDGE	8,619	98 km
2008	WHITE TANK	8,479	91 km
1985	UNNAMED	8,047	55 km
2005	VEKOL	7,349	95 km
2007	ALAMBRE	7,221	37 km
2009	SAN JUAN	6,710	28 km
2006	CITY HALL	6,639	55 km
2000	GUS	6,509	72 km
1985	SAN IGNACI	6,377	27 km
2001	BLANCO	5,803	58 km
2000	CITYHALL2	5,732	55 km
2009	THREE PEAKS	5,706	50 km
2023	AZBAR-FY23-RX-W	5,674	71 km
2016	CUMERO	5,616	80 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	42°F (6°C)	0.9 in	Coldest
February	54°F (12°C)	0.8 in
March	58°F (14°C)	0.9 in
April	64°F (18°C)	0.3 in
May	72°F (22°C)	0.2 in	Driest
June	82°F (28°C)	0.2 in
July	70°F (21°C)	2.2 in
August	83°F (29°C)	2.4 in	Warmest, Wettest
September	79°F (26°C)	1.4 in
October	70°F (21°C)	1.0 in
November	59°F (15°C)	0.8 in
December	51°F (11°C)	1.4 in

Ko Vaya has a seasonal temperature swing of 41°F / from 42°F in January to 83°F in August. Total annual precipitation is 12.4 inches, with August being the wettest month (2.4") and May the driest (0.2").

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