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Avon, MT

Full City Profile · Montana · Powell County County

4.0 /5.0
A Great
145 Population 11/sq mi density
$97,656 Median Income $31,812 per capita
$187,500 Home Value $412,157 Zillow
$786 Median Rent 9.0% income on rent
41°F Avg Temperature 273 sunny days/yr
454 Violent Crime/100K 3,761 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$97,656 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$187,500 home value, $786/mo rent
F
Safety
1.0 / 5.0
454 violent crimes/100K (19% above avg)
A+
Education
4.9 / 5.0
48.8% bachelor's degree or higher
Avon has a cool climate with an average annual temperature of 41°F (5°C). Winters average 22°F in January while summers reach 63°F in July. The area gets 273 sunny days per year. Annual precipitation totals 18.8 inches. Air quality is rated Good with a median AQI of 26.

Temperature

22°F Jan (-6°C) 63°F Jul (17°C)
Annual Average41.0°F
24% below US avg
January Average22°F (-6°C)
July Average63°F (17°C)
Sunny Days273 days/yr

Geography

Elevation5,261 ft (1,604 m)
Area13.4 sq mi (34.6 km²)
Population Density11/sq mi
Coordinates46.6287°N, 112.5756°W
TimezoneAmerica/Denver
CountyPowell County County
Nearest AirportHelena Regional (HLN)
28 miles away

Precipitation & Snow

Annual Rainfall 18.8"
51% below US avg
Wettest Month (May) 1.97"
Driest Month (Feb) 0.63"

Air Quality

AQI Median26.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score10.0 / 100
Social Vulnerability58.1 / 100
Community Resilience19.4 / 100

Hazard Breakdown

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

Earthquake History

513 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.8. Most recent: M2.9 on Aug 15, 2025.

Jul 6, 2017 11 km SE of Lincoln, Montana M5.8 28 km
Jul 26, 2005 16 km N of Dillon, Montana M5.6 141 km
Jul 6, 2017 15 km S of Lincoln, Montana M5.0 22 km
Jul 6, 2017 14 km SE of Lincoln, Montana M4.4 26 km
May 8, 2007 8 km NNW of Alder, Montana M4.4 142 km
Jan 30, 2016 19 km E of Lincoln, Montana M4.3 37 km
Oct 28, 1998 18 km S of Whitehall, Montana M4.3 109 km
Aug 16, 2019 4 km NW of Manhattan, Montana M4.2 124 km
Apr 8, 2000 8 km ENE of Townsend, Montana M4.1 95 km
Jun 18, 2006 6 km S of Pony, Montana M4.1 125 km
Aug 6, 2019 3 km NW of Manhattan, Montana M4.1 125 km
Sep 3, 2016 16 km S of Whitehall, Montana M4.0 106 km
Mar 6, 2009 18 km S of Whitehall, Montana M4.0 109 km
Jun 28, 2000 21 km SE of Clinton, Montana M4.0 73 km
Nov 10, 2000 14 km NE of Townsend, Montana M4.0 96 km
Jan 18, 2006 18 km NNE of Dillon, Montana M4.0 141 km
Jul 17, 2017 12 km ESE of Lincoln, Montana M4.0 29 km
Jul 19, 2002 43 km NE of Seeley Lake, Montana M4.0 96 km
Jul 27, 2005 18 km N of Dillon, Montana M4.0 139 km
Jul 6, 2017 14 km SSE of Lincoln, Montana M4.0 23 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

13 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2.

Date Rating Distance Fatalities
Jul 2, 1966 EF2 99 km 0
Jun 28, 1982 EF1 26 km 0
Sep 15, 1997 EF0 62 km 0
Jun 27, 1997 EF0 42 km 0
Jun 21, 1993 EF0 53 km 0
Jun 11, 1993 EF0 46 km 0
Jul 9, 1992 EF0 26 km 0
Jun 12, 1992 EF0 84 km 0
Aug 11, 1988 EF0 53 km 0
May 4, 1971 EF0 30 km 0
May 17, 1962 EF0 35 km 0
Jul 22, 1960 EF0 44 km 0
Jun 7, 1953 EF0 79 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: RICE RIDGE (171,473 ac, 2017).

Year Name Acres Distance
2017 RICE RIDGE 171,473 86 km
1988 CANYON CREEK 167,875 69 km
2007 SAWMILL COMPLEX (WYMAN 2) 68,236 86 km
2003 LINCOLN COMPLEX (SNOWBANK) 36,987 51 km
1988 CANYON CREEK 35,865 64 km
2017 LITTLE HOGBACK 34,646 81 km
2021 HARRIS MTN 31,792 87 km
2017 ALICE CREEK 29,971 58 km
2012 ELBOW PASS COMPLEX 28,989 87 km
1984 NORTH HILL 27,162 56 km
2000 CANYON FERRY COMPLEX (CAVE GULCH) 26,997 73 km
2021 HAYSTACK 26,118 59 km
2003 COONEY RIDGE 25,741 96 km
2007 CONGER CREEK 22,936 73 km
2000 MONTURE-SPREAD RIDGE (MONTURE) 22,493 88 km
2007 MERIWETHER 18,865 63 km
2017 PARK CREEK 17,915 48 km
2007 RAILLEY MOUNTAIN 17,528 93 km
2000 RYAN GULCH 16,440 69 km
2000 CANYON FERRY COMPLEX (BUCKSNORT) 14,843 66 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-6°C) 1.0 in
February 24°F (-5°C) 0.6 in Driest
March 31°F (-0°C) 0.8 in
April 40°F (4°C) 1.0 in
May 48°F (9°C) 2.0 in Wettest
June 56°F (14°C) 1.9 in
July 63°F (17°C) 1.2 in Warmest
August 63°F (17°C) 1.4 in
September 53°F (12°C) 1.2 in
October 43°F (6°C) 0.8 in
November 29°F (-2°C) 0.8 in
December 21°F (-6°C) 0.9 in Coldest

Avon has a seasonal temperature swing of 42°F / from 21°F in December to 63°F in July. Total annual precipitation is 13.6 inches, with May being the wettest month (2.0") and February the driest (0.6").

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