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Hanna, WY

Full City Profile · Wyoming · Carbon County County

3.2 /5.0
B Good
839 Population 409/sq mi density
$56,962 Median Income $32,788 per capita
$121,100 Home Value $107,945 Zillow
$1,317 Median Rent 27.7% income on rent
41°F Avg Temperature 316 sunny days/yr
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$56,962 median income, 7.3% unemployment
A+
Affordability
5.0 / 5.0
$121,100 home value, $1,317/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C
Education
2.2 / 5.0
15.4% bachelor's degree or higher
Hanna has a cool climate with an average annual temperature of 41°F (5°C). Winters average 20°F in January while summers reach 65°F in July. The area gets 316 sunny days per year. Annual precipitation totals 13.4 inches. Air quality is rated Good with a median AQI of 34.

Temperature

20°F Jan (-7°C) 65°F Jul (18°C)
Annual Average40.9°F
24% below US avg
January Average20°F (-7°C)
July Average65°F (18°C)
Sunny Days316 days/yr

Geography

Elevation6,808 ft (2,075 m)
Area2.0 sq mi (5.3 km²)
Population Density409/sq mi
Coordinates41.8698°N, 106.5596°W
TimezoneAmerica/Denver
CountyCarbon County County
Nearest AirportLaramie Regional (LAR)
59 miles away

Precipitation & Snow

Annual Rainfall 13.4"
65% below US avg
Wettest Month (May) 1.61"
Driest Month (Jan) 0.63"

Air Quality

AQI Median34.0
RatingGood

Air Pollutants (EPA 2023)

NO₂ (Nitrogen Dioxide)6.8 ppb
SO₂ (Sulfur Dioxide)0.67 ppb

Natural Hazard Risk

Overall RiskVery Low
Risk Score42.7 / 100
Social Vulnerability47.8 / 100
Community Resilience25.6 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Low
Wildfire Relatively Low
Flood Relatively Low
Hail Very Low
Strong Wind Very Low
Heat Wave No Rating
Winter Weather Relatively Moderate
Lightning Relatively High
Ice Storm Relatively Low
Drought Very Low
Cold Wave Relatively Moderate
Landslide Relatively Moderate
Avalanche Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

52 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.3. Most recent: M2.5 on Jul 21, 2025.

Apr 6, 1999 31 km SE of Wamsutter, Wyoming M4.3 109 km
Oct 19, 1996 21 km E of Antelope Hills, Wyoming M4.2 142 km
May 26, 2000 5 km S of Bairoil, Wyoming M4.0 91 km
Aug 29, 2004 16 km NNW of Douglas, Wyoming M3.8 143 km
Aug 2, 2021 12 km NW of Rolling Hills, Wyoming M3.8 135 km
Mar 19, 2022 5 km NW of Ryan Park, Wyoming M3.8 58 km
Feb 1, 2003 11 km E of Antelope Hills, Wyoming M3.7 138 km
Jun 1, 1993 6 km N of Bairoil, Wyoming M3.7 97 km
Jul 23, 1993 29 km WNW of Esterbrook, Wyoming M3.7 98 km
Oct 10, 1993 41 km W of Esterbrook, Wyoming M3.7 84 km
May 17, 2009 24 km WNW of Jeffrey City, Wyoming M3.7 148 km
Jun 2, 2023 9 km SSE of Saratoga, Wyoming M3.6 57 km
Aug 6, 1998 18 km NNE of Rawlins, Wyoming M3.6 53 km
Aug 13, 2004 35 km SW of Alcova, Wyoming M3.5 57 km
Oct 8, 2009 31 km SSW of Alcova, Wyoming M3.4 55 km
Sep 14, 2024 9 km SSE of Saratoga, Wyoming M3.4 56 km
Aug 26, 2022 27 km E of Bairoil, Wyoming M3.3 68 km
Jun 3, 2023 8 km SSE of Saratoga, Wyoming M3.3 57 km
Mar 29, 2022 10 km NNW of Ryan Park, Wyoming M3.3 52 km
Jan 19, 2022 8 km ESE of Saratoga, Wyoming M3.3 51 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

41 tornadoes (EF0+) within 100 km since 1950. Strongest: EF3. Total: 1 injury.

Date Rating Distance Fatalities
Jun 6, 2018 EF3 86 km 0
Jun 6, 2018 EF2 94 km 0
Jul 2, 1976 EF2 52 km 0
Jun 6, 2020 EF1 48 km 0
Jul 6, 2019 EF1 77 km 0
Jul 7, 1988 EF1 70 km 0
Jun 5, 1977 EF1 59 km 0
Aug 9, 1974 EF1 86 km 0
Jul 15, 1967 EF1 75 km 0
Jun 15, 1966 EF1 58 km 0
May 29, 1964 EF1 55 km 0
Jun 12, 1962 EF1 92 km 0
Jul 3, 1960 EF1 61 km 0
Jul 20, 1958 EF1 84 km 0
Jul 16, 1953 EF1 65 km 0
Jun 15, 2015 EF0 43 km 0
May 23, 2015 EF0 70 km 0
May 23, 2014 EF0 97 km 0
Aug 12, 2013 EF0 77 km 0
Aug 27, 2002 EF0 93 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: MULLEN (179,894 ac, 2020).

Year Name Acres Distance
2020 MULLEN 179,894 90 km
2018 RYAN 28,858 92 km
2019 PEDRO MOUNTAIN 21,904 56 km
2018 BADGER CREEK 20,752 98 km
2020 RR 316 14,274 5 km
2006 JACKSON CANYON 11,686 97 km
2012 SQUIRREL CREEK 10,768 90 km
2012 SHEEP HERDER HILL COMPLEX 10,759 100 km
2012 BEAR MOUNTAIN COMPLEX 8,196 65 km
2000 DEADHORSE 6,252 95 km
2012 RUSSELS CAMP 5,811 94 km
1999 JEP 4,647 83 km
2004 PENNOCK RX 3,593 45 km
2012 SEMINOE 3,570 45 km
1996 BEAR CREEK 3,367 100 km
1993 DUNES 3,161 97 km
2017 KEYSTONE 2,784 81 km
1999 CHACE 2,591 12 km
2011 TB35 MARKING PEN CREEK 2,448 44 km
2016 BROADWAY 1,956 94 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 20°F (-7°C) 0.6 in Coldest, Driest
February 24°F (-4°C) 0.6 in
March 31°F (-0°C) 0.8 in
April 39°F (4°C) 1.5 in
May 48°F (9°C) 1.6 in Wettest
June 59°F (15°C) 1.3 in
July 65°F (18°C) 0.9 in Warmest
August 64°F (18°C) 0.8 in
September 55°F (13°C) 1.0 in
October 44°F (7°C) 1.0 in
November 31°F (-1°C) 0.8 in
December 23°F (-5°C) 0.6 in

Hanna has a seasonal temperature swing of 45°F / from 20°F in January to 65°F in July. Total annual precipitation is 11.7 inches, with May being the wettest month (1.6") and January the driest (0.6").

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