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Weather & Climate in Lander, WY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lander has a cool climate with an average annual temperature of 45°F (7°C). Winters average 21°F in January while summers reach 72°F in July. The area gets 302 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 13.2 inches (drier than the 38-inch national average). The area receives 87.6 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 5,420 feet.
Temperature
21°F Jan (-6°C)
72°F Jul (22°C)
| Annual Average | 45.1°F |
| 16% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 302 days/yr |
Geography
| Elevation | 5,420 ft (1,652 m) |
| Area | 4.7 sq mi (12.1 km²) |
| Population Density | 1,606/sq mi |
| Coordinates | 42.8313°N, 108.7599°W |
| Timezone | America/Denver |
| County | Fremont County County |
| Nearest Airport | Central Wyoming Regional (RIW) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 59.7 / 100 |
| Social Vulnerability | 52.8 / 100 |
| Community Resilience | 11.8 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
95 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Sep 21, 2013 | 20 km W of Fort Washakie, Wyoming | M4.8 | 34 km | 76 km |
| Aug 27, 2016 | 4 km ENE of Bondurant, Wyoming | M4.8 | 137 km | 12 km |
| Dec 28, 1993 | 38 km NE of Bondurant, Wyoming | M4.7 | 133 km | 8 km |
| Sep 27, 2001 | 35 km WSW of Dubois, Wyoming | M4.3 | 126 km | 5 km |
| May 26, 2000 | 5 km S of Bairoil, Wyoming | M4.0 | 120 km | 5 km |
| Nov 3, 2017 | 57 km S of Ten Sleep, Wyoming | M4.0 | 135 km | 17 km |
| Oct 10, 1992 | 25 km SSE of Riverton, Wyoming | M4.0 | 42 km | 5 km |
| Apr 13, 2021 | 51 km S of Ten Sleep, Wyoming | M3.9 | 140 km | 12 km |
| Apr 1, 2011 | 22 km NW of Daniel, Wyoming | M3.9 | 124 km | 5 km |
| Nov 26, 1993 | 36 km NNE of Bondurant, Wyoming | M3.8 | 136 km | 5 km |
| Jun 22, 1996 | 40 km ESE of Kelly, Wyoming | M3.7 | 135 km | 5 km |
| May 17, 2009 | 24 km WNW of Jeffrey City, Wyoming | M3.7 | 62 km | 5 km |
| Jun 1, 1993 | 6 km N of Bairoil, Wyoming | M3.7 | 113 km | 5 km |
| Feb 13, 2023 | Wyoming | M3.7 | 136 km | 10 km |
| Oct 21, 1996 | 42 km ESE of Boulder, Wyoming | M3.7 | 52 km | 5 km |
| Jul 4, 2021 | 43 km S of Ten Sleep, Wyoming | M3.6 | 144 km | 17 km |
| May 10, 2012 | 10 km SSW of Bondurant, Wyoming | M3.6 | 142 km | 5 km |
| Jun 30, 1998 | 8 km NNW of Point of Rocks, Wyoming | M3.6 | 120 km | 6 km |
| May 17, 2003 | 30 km NNE of Bondurant, Wyoming | M3.5 | 142 km | 5 km |
| Jan 9, 2007 | 7 km ENE of East Thermopolis, Wyoming | M3.5 | 107 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
24 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 16, 1962 | EF3 | 10 km | 0.5 mi | 0 |
| Jun 7, 1986 | EF2 | 68 km | 2.0 mi | 0 |
| Aug 27, 1973 | EF2 | 29 km | 0.5 mi | 0 |
| Jun 6, 1967 | EF2 | 45 km | 8.2 mi | 0 |
| May 6, 2014 | EF1 | 62 km | 1.5 mi | 0 |
| Jun 6, 1997 | EF1 | 40 km | 2.0 mi | 0 |
| Aug 3, 1980 | EF1 | 68 km | 0.1 mi | 0 |
| Aug 3, 1976 | EF1 | 77 km | 0.1 mi | 0 |
| Jun 6, 1968 | EF1 | 44 km | 3.0 mi | 0 |
| Jun 5, 1968 | EF1 | 38 km | 0.1 mi | 0 |
| Jun 14, 1967 | EF1 | 32 km | 0.5 mi | 0 |
| Apr 23, 1964 | EF1 | 41 km | 0.5 mi | 0 |
| Sep 4, 2024 | EF0 | 94 km | 0.1 mi | 0 |
| Aug 11, 2020 | EF0 | 36 km | 0.2 mi | 0 |
| May 28, 2018 | EF0 | 55 km | 0.5 mi | 0 |
| May 6, 2014 | EF0 | 53 km | 4.8 mi | 0 |
| Jun 3, 2009 | EF0 | 86 km | 0.9 mi | 0 |
| May 29, 2008 | EF0 | 97 km | 0.3 mi | 0 |
| Sep 30, 2004 | EF0 | 4 km | 1.0 mi | 0 |
| Apr 28, 1999 | EF0 | 79 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: KATESBASIN (141,128 acres, 2000).
| Year | Name | Acres Burned | Distance |
| 2000 | KATESBASIN | 141,128 | 82 km |
| 2012 | ALPINE LAKE | 39,158 | 53 km |
| 1988 | FAYETTE | 29,234 | 68 km |
| 2008 | NEW FORK | 14,481 | 94 km |
| 2002 | SOUTH FORK II | 13,803 | 29 km |
| 2002 | PASS CREEK | 13,724 | 21 km |
| 1996 | FAYETTE | 5,308 | 82 km |
| 2000 | MUDDYCRK | 4,601 | 93 km |
| 2007 | COPPER MTN. | 4,458 | 93 km |
| 1989 | ANNS | 3,298 | 37 km |
| 2002 | DIVIDE | 2,831 | 56 km |
| 2022 | WASHAKIE PARK | 2,337 | 35 km |
| 1988 | WISE FLAT | 2,232 | 80 km |
| 2001 | BEAVER RIM | 2,171 | 36 km |
| 2000 | SPRING MNT | 1,820 | 92 km |
| 2000 | MURPHYDRAW | 1,615 | 28 km |
| 1994 | 17 MILE 6 | 1,564 | 26 km |
| 2000 | RED CANYON | 1,500 | 27 km |
| 1988 | NATURAL BRIDGE | 1,459 | 100 km |
| 2013 | FAIRFIELD | 1,457 | 12 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 0.8 in | |
| February | 22°F (-5°C) | 0.6 in | Driest |
| March | 31°F (-1°C) | 1.0 in | |
| April | 39°F (4°C) | 1.6 in | |
| May | 48°F (9°C) | 2.1 in | Wettest |
| June | 58°F (15°C) | 1.3 in | |
| July | 72°F (22°C) | 0.8 in | Warmest |
| August | 64°F (18°C) | 0.7 in | |
| September | 55°F (13°C) | 1.1 in | |
| October | 43°F (6°C) | 1.1 in | |
| November | 29°F (-2°C) | 0.8 in | |
| December | 20°F (-7°C) | 0.6 in | Coldest |
Lander has a seasonal temperature swing of 52°F / from 20°F in December to 72°F in July. Total annual precipitation is 12.4 inches, with May being the wettest month (2.1") and February the driest (0.6").