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Lyman, WY

Full City Profile · Wyoming · Uinta County County

4.5 /5.0
A+ Excellent
1,777 Population 1,132/sq mi density
$101,080 Median Income $37,945 per capita
$267,500 Home Value $297,868 Zillow
$1,071 Median Rent 19.2% income on rent
41°F Avg Temperature 316 sunny days/yr
A+
Overall
4.5 / 5.0
Strong
A+
Economy
5.0 / 5.0
$101,080 median income, 2.2% unemployment
A+
Affordability
5.0 / 5.0
$267,500 home value, $1,071/mo rent
B
Education
3.4 / 5.0
30.4% bachelor's degree or higher
Lyman 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 316 sunny days per year. Annual precipitation totals 11.0 inches. The area receives 63.8 inches of snow annually. Air quality is rated Good with a median AQI of 34.

Temperature

22°F Jan (-6°C) 63°F Jul (17°C)
Annual Average40.8°F
24% below US avg
January Average22°F (-6°C)
July Average63°F (17°C)
Sunny Days316 days/yr

Geography

Elevation6,713 ft (2,046 m)
Area1.6 sq mi (4.1 km²)
Population Density1,132/sq mi
Coordinates41.3275°N, 110.2974°W
TimezoneAmerica/Denver
CountyUinta County County
Nearest AirportSouthwest Wyoming Regional (RKS)
66 miles away

Precipitation & Snow

Annual Rainfall 11.0"
71% below US avg
Snowfall 63.8"
Wettest Month (May) 1.14"
Driest Month (Feb) 0.39"

Air Quality

AQI Median34.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score16.7 / 100
Social Vulnerability15.0 / 100
Community Resilience12.5 / 100

Hazard Breakdown

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

Earthquake History

195 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M3.5 on Aug 10, 2025.

Apr 15, 2010 9 km NE of Randolph, Utah M4.9 79 km
Apr 8, 1994 13 km SW of Smoot, Wyoming M4.3 149 km
Apr 7, 1994 11 km SW of Smoot, Wyoming M4.3 150 km
Jan 30, 2000 8 km ESE of Little America, Wyoming M4.3 49 km
May 25, 2016 15 km NNE of Tabiona, Utah M4.0 98 km
May 1, 2025 4 km WNW of Independence, Utah M3.9 141 km
Mar 1, 2013 7 km SW of Smoot, Wyoming M3.9 149 km
Mar 1, 1995 20 km SW of Smoot, Wyoming M3.9 146 km
Feb 25, 2007 Wyoming M3.8 130 km
Apr 9, 1994 5 km SW of Smoot, Wyoming M3.8 150 km
Jul 17, 1997 9 km E of Bennington, Idaho M3.8 142 km
Mar 2, 1991 27 km SSW of Jensen, Utah M3.7 149 km
Aug 31, 2023 15 km ENE of Wolf Creek, Utah M3.7 113 km
Jul 26, 2011 15 km WSW of Saint Charles, Idaho M3.7 132 km
Jun 9, 2021 17 km E of Independence, Utah M3.7 130 km
Oct 17, 2013 13 km NE of Avon, Utah M3.6 120 km
Jan 3, 2003 3 km SSE of Eden, Utah M3.6 126 km
Oct 27, 2000 6 km SW of Bennington, Idaho M3.6 145 km
Nov 11, 2000 14 km SE of Jensen, Utah M3.6 148 km
Jul 28, 2002 10 km SSW of Laketown, Utah M3.6 101 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

24 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2. Total: 6 injuries.

Date Rating Distance Fatalities
May 10, 1950 EF2 19 km 0
Jul 10, 2001 EF1 51 km 0
Apr 20, 2001 EF1 64 km 0
Apr 14, 2000 EF1 64 km 0
Aug 20, 1998 EF1 100 km 0
Jul 31, 1978 EF1 99 km 0
Jun 27, 1974 EF1 72 km 0
Sep 9, 1973 EF1 71 km 0
Jun 23, 1965 EF1 74 km 0
May 28, 2018 EF0 42 km 0
Jun 16, 2015 EF0 100 km 0
May 7, 2014 EF0 99 km 0
Sep 15, 2013 EF0 79 km 0
Aug 21, 2001 EF0 77 km 0
Jun 10, 1997 EF0 81 km 0
Sep 9, 1991 EF0 99 km 0
Sep 9, 1991 EF0 94 km 0
May 2, 1991 EF0 95 km 0
Aug 4, 1990 EF0 96 km 0
May 30, 1989 EF0 27 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: EAST FORK (106,432 ac, 2020).

Year Name Acres Distance
2020 EAST FORK 106,432 85 km
2007 NEOLA NORTH 46,909 89 km
2000 WLD HORSE 41,881 77 km
2000 SHEEP MT 31,393 88 km
2002 MUSTANG 20,607 90 km
1988 WHITEROCKS 18,885 95 km
1999 BRIDGER BA 15,227 65 km
2018 NORTH EDEN 14,398 95 km
2002 GARDEN VALLEY COMPLEX (EAST FORK) 14,245 63 km
2007 RED CANYON RX BURN-H 13,464 58 km
1994 DRY CANYON 2 10,927 89 km
2020 RICHARD MTN 7,802 94 km
2010 POLE CREEK STANDS 6,900 95 km
2010 WINDMILL 5,935 40 km
1989 UINTA CANYON 5,834 76 km
1988 LITTLEBRYN 5,300 40 km
2005 NORTH NEOLA 5,195 97 km
2018 MURDOCK 5,169 87 km
1985 WEYMAN 5,058 64 km
2016 BOX CANYON 4,479 94 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-6°C) 0.4 in Coldest
February 24°F (-5°C) 0.4 in Driest
March 32°F (-0°C) 0.7 in
April 39°F (4°C) 1.0 in
May 49°F (9°C) 1.1 in Wettest
June 58°F (14°C) 1.0 in
July 63°F (17°C) 0.8 in
August 64°F (18°C) 0.8 in Warmest
September 54°F (12°C) 0.9 in
October 43°F (6°C) 0.8 in
November 30°F (-1°C) 0.6 in
December 22°F (-6°C) 0.5 in

Lyman has a seasonal temperature swing of 42°F / from 22°F in January to 64°F in August. Total annual precipitation is 9.1 inches, with May being the wettest month (1.1") and February the driest (0.4").

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