All Countries
Weather & Climate in Lonetree, WY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lonetree 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, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 11.0 inches (drier than the 38-inch national average). The area receives 63.8 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 7,621 feet.
Temperature
22°F Jan (-6°C)
63°F Jul (17°C)
| Annual Average | 40.8°F |
| 24% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 7,621 ft (2,323 m) |
| Area | 45.7 sq mi (118.3 km²) |
| Population Density | 1/sq mi |
| Coordinates | 41.0344°N, 110.1440°W |
| Timezone | America/Denver |
| County | Uinta County County |
| Nearest Airport | Vernal Regional (VEL) 53 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 16.7 / 100 |
| Social Vulnerability | 15.0 / 100 |
| Community Resilience | 12.5 / 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
169 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Apr 15, 2010 | 9 km NE of Randolph, Utah | M4.9 | 110 km | 10 km |
| Mar 20, 1995 | 10 km NNW of Rangely, Colorado | M4.5 | 145 km | -3 km |
| Jan 30, 2000 | 8 km ESE of Little America, Wyoming | M4.3 | 61 km | 5 km |
| May 20, 1995 | 434km E of Wendover, Utah | M4.1 | 137 km | 4 km |
| May 25, 2016 | 15 km NNE of Tabiona, Utah | M4.0 | 74 km | 16 km |
| Apr 7, 1990 | 28 km WNW of Bonanza, Utah | M4.0 | 118 km | 11 km |
| May 1, 2025 | 4 km WNW of Independence, Utah | M3.9 | 126 km | 14 km |
| Nov 8, 1991 | 17 km WNW of Bonanza, Utah | M3.7 | 123 km | 4 km |
| Mar 2, 1991 | 27 km SSW of Jensen, Utah | M3.7 | 114 km | -3 km |
| Aug 31, 2023 | 15 km ENE of Wolf Creek, Utah | M3.7 | 132 km | 12 km |
| Jun 9, 2021 | 17 km E of Independence, Utah | M3.7 | 111 km | 10 km |
| Oct 17, 2013 | 13 km NE of Avon, Utah | M3.6 | 143 km | 11 km |
| Jan 3, 2003 | 3 km SSE of Eden, Utah | M3.6 | 141 km | 13 km |
| Nov 11, 2000 | 14 km SE of Jensen, Utah | M3.6 | 115 km | -3 km |
| Jul 28, 2002 | 10 km SSW of Laketown, Utah | M3.6 | 130 km | 10 km |
| Jun 30, 1998 | 8 km NNW of Point of Rocks, Wyoming | M3.6 | 136 km | 6 km |
| Jun 25, 1994 | 12 km NE of Little America, Wyoming | M3.6 | 72 km | -3 km |
| Jun 30, 1999 | 5 km SSW of Snyderville, Utah | M3.6 | 128 km | 13 km |
| Jul 2, 2016 | 7 km NNE of Granger, Wyoming | M3.5 | 71 km | -3 km |
| Mar 7, 2009 | 9 km NNE of Granger, Wyoming | M3.5 | 73 km | 1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
25 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Aug 11, 1993 | EF3 | 91 km | 17.0 mi | 0 |
| May 10, 1950 | EF2 | 28 km | 2.0 mi | 0 |
| Jul 10, 2001 | EF1 | 82 km | 5.0 mi | 0 |
| Apr 20, 2001 | EF1 | 72 km | 0.2 mi | 0 |
| Apr 14, 2000 | EF1 | 72 km | 0.5 mi | 0 |
| Sep 3, 1999 | EF1 | 88 km | 4.0 mi | 0 |
| Jun 27, 1974 | EF1 | 78 km | 0.1 mi | 0 |
| Sep 9, 1973 | EF1 | 81 km | 0.1 mi | 0 |
| Jun 23, 1965 | EF1 | 99 km | 0.6 mi | 0 |
| Jun 1, 1955 | EF1 | 79 km | 0.1 mi | 0 |
| May 28, 2018 | EF0 | 65 km | 3.5 mi | 0 |
| Jun 16, 2015 | EF0 | 72 km | 1.0 mi | 0 |
| Aug 6, 2009 | EF0 | 83 km | 0.5 mi | 0 |
| Aug 21, 2001 | EF0 | 49 km | 2.0 mi | 0 |
| May 5, 1999 | EF0 | 81 km | 1.0 mi | 0 |
| Jun 10, 1997 | EF0 | 79 km | 0.1 mi | 0 |
| Jul 8, 1990 | EF0 | 86 km | 0.2 mi | 0 |
| Mar 23, 1990 | EF0 | 87 km | 0.2 mi | 0 |
| May 30, 1989 | EF0 | 35 km | 0.5 mi | 0 |
| May 30, 1989 | EF0 | 36 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: EAST FORK (106,432 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | EAST FORK | 106,432 | 62 km |
| 2007 | NEOLA NORTH | 46,909 | 54 km |
| 2000 | WLD HORSE | 41,881 | 69 km |
| 2000 | SHEEP MT | 31,393 | 79 km |
| 2002 | MUSTANG | 20,607 | 67 km |
| 1988 | WHITEROCKS | 18,885 | 60 km |
| 1999 | BRIDGER BA | 15,227 | 97 km |
| 2002 | GARDEN VALLEY COMPLEX (EAST FORK) | 14,245 | 53 km |
| 2007 | RED CANYON RX BURN-H | 13,464 | 91 km |
| 2018 | LANEY RIM | 11,589 | 100 km |
| 2020 | RICHARD MTN | 7,802 | 74 km |
| 2010 | WINDMILL | 5,935 | 61 km |
| 1989 | UINTA CANYON | 5,834 | 42 km |
| 1997 | RED CREEK | 5,381 | 93 km |
| 1988 | LITTLEBRYN | 5,300 | 63 km |
| 2005 | NORTH NEOLA | 5,195 | 62 km |
| 2018 | MURDOCK | 5,169 | 73 km |
| 1985 | WEYMAN | 5,058 | 32 km |
| 2006 | SALT WELLS BASIN | 4,581 | 90 km |
| 2016 | BOX CANYON | 4,479 | 85 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 0.6 in | Coldest |
| February | 23°F (-5°C) | 0.5 in | Driest |
| March | 30°F (-1°C) | 0.8 in | |
| April | 37°F (3°C) | 1.0 in | |
| May | 46°F (8°C) | 1.3 in | Wettest |
| June | 55°F (13°C) | 1.1 in | |
| July | 63°F (17°C) | 1.0 in | Warmest |
| August | 62°F (17°C) | 1.1 in | |
| September | 53°F (12°C) | 1.0 in | |
| October | 43°F (6°C) | 0.9 in | |
| November | 29°F (-1°C) | 0.7 in | |
| December | 22°F (-6°C) | 0.7 in |
Lonetree has a seasonal temperature swing of 42°F / from 22°F in January to 63°F in July. Total annual precipitation is 10.6 inches, with May being the wettest month (1.3") and February the driest (0.5").