Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cardwell has a cool climate with an average annual temperature of 45°F (7°C). Winters average 24°F in January while summers reach 69°F in July. The area gets 311 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 13.0 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 26 / among the cleanest air in the country. The city sits at an elevation of 4,283 feet.
Temperature
24°F Jan (-4°C)69°F Jul (21°C)
Annual Average
45.4°F
16% below US avg
January Average
24°F (-4°C)
July Average
69°F (21°C)
Sunny Days
311 days/yr
Geography
Elevation
4,283 ft (1,305 m)
Area
2.2 sq mi (5.6 km²)
Population Density
20/sq mi
Coordinates
45.8651°N, 111.9642°W
Timezone
America/Denver
County
Madison County County
Nearest Airport
Bozeman Yellowstone International (BZN) 40 miles away
Precipitation & Snow
Annual Rainfall13.0"
66% below US avg
Wettest Month (Jun)2.05"
Driest Month (Feb)0.31"
Air Quality
AQI Median
26.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
41.0 / 100
Social Vulnerability
18.5 / 100
Community Resilience
40.9 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Relatively Low
Wildfire
Relatively Low
Flood
Very Low
Hail
Very Low
Strong Wind
Very Low
Heat Wave
Very Low
Winter Weather
Relatively Low
Lightning
Relatively Low
Ice Storm
Very Low
Drought
Very Low
Cold Wave
Relatively Low
Landslide
Relatively Moderate
Volcano
Very Low
Avalanche
Very High
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
848 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M5.8.
Jul 6, 2017
11 km SE of Lincoln, Montana
M5.8
122 km
12 km
Jul 26, 2005
16 km N of Dillon, Montana
M5.6
75 km
13 km
Aug 20, 1999
22 km NW of Lima, Montana
M5.1
136 km
16 km
Jul 6, 2017
15 km S of Lincoln, Montana
M5.0
118 km
15 km
Apr 9, 2019
9 km NE of Lima, Montana
M4.6
137 km
14 km
Apr 5, 2011
28 km NNE of Spencer, Idaho
M4.4
140 km
12 km
Jul 6, 2017
14 km SE of Lincoln, Montana
M4.4
119 km
10 km
Feb 5, 2006
44 km NE of Spencer, Idaho
M4.4
131 km
14 km
May 8, 2007
8 km NNW of Alder, Montana
M4.4
54 km
14 km
Jun 16, 2017
12 km E of Hebgen Lake Estates, Montana
M4.4
141 km
9 km
Jun 13, 2016
45 km W of Hebgen Lake Estates, Montana
M4.3
127 km
10 km
Jan 30, 2016
19 km E of Lincoln, Montana
M4.3
125 km
2 km
Oct 28, 1998
18 km S of Whitehall, Montana
M4.3
22 km
5 km
Jul 14, 2023
3 km S of Lima, Montana
M4.2
148 km
12 km
Aug 16, 2019
4 km NW of Manhattan, Montana
M4.2
46 km
2 km
Aug 30, 1997
25 km WNW of Hebgen Lake Estates, Montana
M4.1
120 km
4 km
Oct 7, 2024
11 km E of Dillon, Montana
M4.1
82 km
17 km
Apr 8, 2000
8 km ENE of Townsend, Montana
M4.1
68 km
5 km
Jun 18, 2006
6 km S of Pony, Montana
M4.1
30 km
12 km
Aug 6, 2019
3 km NW of Manhattan, Montana
M4.1
47 km
5 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
20 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF2.
Date
Rating
Distance
Path
Fatalities
May 19, 1962
EF2
85 km
2.0 mi
0
Jun 28, 1982
EF1
81 km
0.5 mi
0
May 29, 1965
EF1
78 km
0.1 mi
0
Jun 15, 1960
EF1
72 km
1.3 mi
0
Jul 10, 2016
EF0
89 km
0.0 mi
0
Aug 9, 2011
EF0
99 km
0.1 mi
0
Jun 29, 1999
EF0
73 km
0.2 mi
0
Sep 15, 1997
EF0
72 km
0.1 mi
0
Jul 19, 1997
EF0
100 km
0.1 mi
0
Jul 2, 1997
EF0
49 km
0.1 mi
0
Jul 2, 1997
EF0
49 km
0.1 mi
0
Jun 27, 1997
EF0
80 km
0.1 mi
0
Jun 15, 1996
EF0
88 km
2.0 mi
0
May 17, 1994
EF0
36 km
0.1 mi
0
Jun 11, 1993
EF0
82 km
0.1 mi
0
Jun 29, 1992
EF0
48 km
0.1 mi
0
Jun 12, 1992
EF0
59 km
0.1 mi
0
May 17, 1962
EF0
96 km
0.1 mi
0
Jul 22, 1960
EF0
82 km
1.0 mi
0
Aug 2, 1959
EF0
96 km
0.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
1 volcano within 200 km.
Closest: Yellowstone (189 km).
Name
Type
Elevation
Last Eruption
Distance
Yellowstone
Caldera(s)
2,805 m (9,203 ft)
-1350
189 km
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: TOSTON-MAUDLOW (80,383 acres, 2000).
Year
Name
Acres Burned
Distance
2000
TOSTON-MAUDLOW
80,383
67 km
2021
WOODS CREEK
55,836
92 km
2021
ALDER CREEK
38,189
92 km
1988
CANYON CREEK
35,865
65 km
2001
FRIDLEY
27,575
98 km
2000
CANYON FERRY COMPLEX (CAVE GULCH)
26,997
97 km
2021
HAYSTACK
26,118
39 km
2012
BEAR TRAP 2
14,875
40 km
2000
CANYON FERRY COMPLEX (BUCKSNORT)
14,843
82 km
2007
PATTENGAIL CREEK
13,471
98 km
2012
MILLIE
10,497
86 km
2000
BOULDER COMPLEX (HIGH ORE ROAD)
9,625
51 km
2015
EUSTIS
8,469
43 km
1988
SWEETWATER
8,405
95 km
2020
BRIDGER FOOTHILLS
8,291
82 km
2015
COTTONWOOD GULCH
8,100
48 km
2018
MONUMENT
6,973
95 km
2001
PURDY CREEK
4,868
73 km
2020
STATE CREEK
4,549
31 km
2012
PONY
4,453
19 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
24°F (-4°C)
0.4 in
Coldest
February
29°F (-2°C)
0.3 in
Driest
March
34°F (1°C)
0.6 in
April
42°F (6°C)
0.8 in
May
51°F (11°C)
1.9 in
June
60°F (15°C)
2.1 in
Wettest
July
69°F (21°C)
1.2 in
Warmest
August
65°F (18°C)
1.1 in
September
55°F (13°C)
1.1 in
October
45°F (7°C)
0.6 in
November
32°F (0°C)
0.4 in
December
25°F (-4°C)
0.4 in
Cardwell has a seasonal temperature swing of 45°F / from 24°F in January to 69°F in July. Total annual precipitation is 10.8 inches, with June being the wettest month (2.1") and February the driest (0.3").