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Joliet, MT

Full City Profile · Montana · Yellowstone County County

3.2 /5.0
B Good
614 Population 2,274/sq mi density
$75,469 Median Income $32,024 per capita
$237,100 Home Value $501,790 Zillow
46°F Avg Temperature 311 sunny days/yr
151 Violent Crime/100K 302 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$75,469 median income, 0.0% unemployment
A+
Affordability
4.9 / 5.0
$237,100 home value, /mo rent
F
Safety
1.0 / 5.0
151 violent crimes/100K
C+
Education
2.6 / 5.0
19.5% bachelor's degree or higher
Joliet experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 24°F in January while summers reach 70°F in July. The area gets 311 sunny days per year. Annual precipitation totals 11.5 inches. The area receives 30.3 inches of snow annually. Air quality is rated Good with a median AQI of 26.

Temperature

24°F Jan (-4°C) 70°F Jul (21°C)
Annual Average45.7°F
15% below US avg
January Average24°F (-4°C)
July Average70°F (21°C)
Sunny Days311 days/yr

Geography

Elevation3,738 ft (1,139 m)
Area0.3 sq mi (0.7 km²)
Population Density2,274/sq mi
Coordinates45.4844°N, 108.9721°W
TimezoneAmerica/Denver
CountyYellowstone County County
Nearest AirportBillings Logan International (BIL)
30 miles away

Precipitation & Snow

Annual Rainfall 11.5"
70% below US avg
Snowfall 30.3"
Wettest Month (May) 2.60"
Driest Month (Feb) 0.55"

Air Quality

AQI Median26.0
RatingGood

Air Pollutants (EPA 2023)

SO₂ (Sulfur Dioxide)2.34 ppb
PM2.5 (Fine Particles)6.7 μg/m³

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score83.6 / 100
Social Vulnerability20.3 / 100
Community Resilience82.3 / 100

Hazard Breakdown

Tornado Relatively Low
Earthquake Relatively Low
Wildfire Relatively Moderate
Flood Relatively Moderate
Hail Relatively Moderate
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Very High
Lightning Relatively High
Ice Storm Relatively Low
Drought Relatively Low
Cold Wave Relatively High
Landslide Relatively Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

80 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M2.7 on May 27, 2025.

May 11, 2022 36 km S of Silver Gate, Montana M4.2 120 km
Mar 25, 2008 35 km S of Silver Gate, Montana M4.2 120 km
Jan 30, 2023 9 km NNW of Livingston, Montana M3.8 130 km
Sep 24, 1994 39 km SSE of Mammoth, Wyoming M3.7 149 km
Jan 9, 2003 23 km E of Wilsall, Montana M3.7 123 km
Jul 6, 2021 27 km SSE of Melstone, Montana M3.6 136 km
Jul 20, 1992 52 km SSE of Mammoth, Wyoming M3.6 148 km
Jul 20, 1992 51 km SSE of Mammoth, Wyoming M3.5 149 km
Jan 12, 2014 23 km SE of Mammoth, Wyoming M3.4 143 km
Mar 4, 2019 35 km SSW of Silver Gate, Montana M3.3 124 km
Jan 9, 2009 42 km SSW of Silver Gate, Montana M3.3 135 km
Mar 19, 1993 40 km SSE of Mammoth, Wyoming M3.3 149 km
Aug 16, 1992 47 km S of Silver Gate, Montana M3.2 129 km
Jul 21, 2023 Eastern Montana M3.2 9 km
Jul 3, 1994 25 km ESE of Mammoth, Wyoming M3.2 131 km
Nov 9, 2009 40 km SW of Silver Gate, Montana M3.1 134 km
Apr 9, 2013 39 km SSE of Mammoth, Wyoming M3.1 149 km
Feb 26, 2006 41 km SSE of Mammoth, Wyoming M3.1 147 km
Jul 26, 1997 37 km SE of Mammoth, Wyoming M3.1 144 km
May 18, 2015 50 km SSE of Mammoth, Wyoming M3.0 149 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

39 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 3 injuries.

Date Rating Distance Fatalities
Jun 16, 1965 EF3 51 km 0
Jun 20, 2010 EF2 53 km 0
Jun 16, 2010 EF2 40 km 0
Jul 11, 1978 EF2 91 km 0
Jun 26, 1964 EF2 84 km 0
Jul 2, 1958 EF2 52 km 0
Jun 21, 1991 EF1 47 km 0
May 18, 1991 EF1 82 km 0
May 24, 1990 EF1 68 km 0
May 24, 1990 EF1 47 km 0
Jul 24, 1981 EF1 86 km 0
Jun 18, 1978 EF1 92 km 0
Jun 26, 1976 EF1 82 km 0
Aug 22, 1965 EF1 87 km 0
Aug 12, 1958 EF1 28 km 0
Jul 6, 1955 EF1 68 km 0
May 24, 2014 EF0 75 km 0
Jun 6, 2011 EF0 41 km 0
Jun 6, 2011 EF0 65 km 0
Aug 11, 2005 EF0 43 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Nearby Volcanoes

1 volcano within 200 km. Closest: Yellowstone (178 km).

Name Type Elevation Last Eruption Distance
Yellowstone Caldera(s) 2,805 m (9,203 ft) -1350 178 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: DERBY (200,993 ac, 2006).

Year Name Acres Distance
2006 DERBY 200,993 66 km
1988 STORM CREEK 116,027 90 km
2003 HOBBLE 38,365 66 km
2021 ROBERTSON DRAW 31,132 49 km
2012 DAHL 21,448 94 km
1996 SHEPARD MTN 17,379 57 km
1994 BLACK BUTTE 10,231 79 km
2008 CASCADE 10,017 53 km
2010 STUMP GULCH 8,873 37 km
1996 COLFAX 8,429 93 km
2021 TROUT CREEK 7,804 54 km
2011 HOLE IN THE WALL 6,559 61 km
2006 BIRTHDAY2 6,553 86 km
2017 MICROWAVE 5,958 92 km
2003 DEEP LAKE 5,466 71 km
1996 LASTSTAND 5,385 96 km
2002 COW CREEK 5,162 12 km
2002 RED WAFFLE 5,060 60 km
2005 BIG HORN 4,899 77 km
1991 ROBERTSON 4,812 56 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 24°F (-4°C) 0.8 in Coldest
February 29°F (-1°C) 0.6 in Driest
March 37°F (3°C) 1.0 in
April 46°F (8°C) 1.7 in
May 55°F (13°C) 2.6 in Wettest
June 64°F (18°C) 2.0 in
July 70°F (21°C) 0.9 in Warmest
August 69°F (21°C) 1.0 in
September 59°F (15°C) 1.5 in
October 48°F (9°C) 1.2 in
November 34°F (1°C) 0.7 in
December 25°F (-4°C) 0.6 in

Joliet has a seasonal temperature swing of 46°F / from 24°F in January to 70°F in July. Total annual precipitation is 14.3 inches, with May being the wettest month (2.6") and February the driest (0.6").

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