Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ak Chin 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 1,853 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
1,853 ft (565 m)
Area
0.5 sq mi (1.4 km²)
Population Density
62/sq mi
Coordinates
32.2873°N, 112.0091°W
Timezone
America/Phoenix
County
Pima County County
Nearest Airport
Marana Regional (AVW) 47 miles away
Precipitation & Snow
Annual Rainfall19.9"
48% below US avg
Snowfall8.0"
Wettest Month (Aug)1.97"
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
4 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.5.
Aug 8, 2000
39 km S of Dateland, Arizona
M3.5
139 km
5 km
Sep 28, 2023
21 km E of Tanque Verde, Arizona
M3.1
141 km
12 km
Mar 31, 1996
147km ESE of Fortuna Foothills, Arizona
M3.0
100 km
6 km
Aug 9, 2025
14 km ENE of Willow Canyon, Arizona
M2.6
138 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, 64 injuries.
Date
Rating
Distance
Path
Fatalities
Jul 28, 1994
EF2
94 km
2.0 mi
0
Aug 27, 1964
EF2
94 km
0.1 mi
2
Jan 18, 1993
EF1
100 km
2.0 mi
0
Aug 24, 1991
EF1
71 km
1.0 mi
0
Jul 20, 1988
EF1
77 km
0.5 mi
0
Mar 15, 1985
EF1
89 km
0.1 mi
0
Jul 22, 1984
EF1
84 km
1.0 mi
0
Jul 16, 1984
EF1
85 km
0.1 mi
0
Sep 5, 1981
EF1
99 km
1.0 mi
0
Sep 5, 1981
EF1
46 km
2.0 mi
0
Dec 23, 1975
EF1
61 km
2.0 mi
0
Jun 23, 1974
EF1
94 km
1.0 mi
1
Jun 21, 1972
EF1
82 km
6.4 mi
0
Jun 21, 1972
EF1
67 km
1.0 mi
0
Sep 1, 1971
EF1
84 km
32.4 mi
0
Jul 16, 1967
EF1
55 km
1.0 mi
0
Jul 22, 1961
EF1
46 km
0.1 mi
0
Sep 8, 1960
EF1
68 km
0.1 mi
0
Aug 13, 2023
EF0
62 km
0.1 mi
0
Sep 25, 2019
EF0
66 km
0.7 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km.
Closest: Pinacate (152 km).
Name
Type
Elevation
Last Eruption
Distance
Pinacate
Pyroclastic cone(s)
1,200 m (3,937 ft)
Unknown
152 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: GOLDWATER (56,690 acres, 2005).
Year
Name
Acres Burned
Distance
2005
GOLDWATER
56,690
95 km
2022
CONTRERAS
31,297
57 km
2009
ELK HORN
22,745
72 km
2016
BROWN
15,681
72 km
2020
ENCINOS
14,145
79 km
1986
SASABE
10,734
96 km
2005
UNNAMED
9,537
89 km
1985
UNNAMED
8,047
81 km
2005
VEKOL
7,349
70 km
2007
ALAMBRE
7,221
60 km
2009
SAN JUAN
6,710
50 km
2006
CITY HALL
6,639
78 km
2000
GUS
6,509
97 km
1985
SAN IGNACI
6,377
46 km
2001
BLANCO
5,803
82 km
2000
CITYHALL2
5,732
79 km
2009
THREE PEAKS
5,706
76 km
2023
AZBAR-FY23-RX-W
5,674
96 km
2005
TRACKS
5,641
86 km
1991
CITY HALL
5,590
79 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
42°F (6°C)
0.8 in
Coldest
February
55°F (13°C)
0.7 in
March
59°F (15°C)
0.8 in
April
65°F (18°C)
0.3 in
May
74°F (23°C)
0.2 in
Driest
June
83°F (28°C)
0.2 in
July
70°F (21°C)
1.7 in
August
86°F (30°C)
2.0 in
Warmest, Wettest
September
81°F (27°C)
1.1 in
October
70°F (21°C)
0.9 in
November
59°F (15°C)
0.7 in
December
51°F (10°C)
1.3 in
Ak Chin has a seasonal temperature swing of 44°F / from 42°F in January to 86°F in August. Total annual precipitation is 10.5 inches, with August being the wettest month (2.0") and May the driest (0.2").