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Weather & Climate in Thayne, WY
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thayne has a cool climate with an average annual temperature of 39°F (4°C). Winters average 17°F in January while summers reach 62°F in July. The area gets 291 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 25.3 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 5,948 feet.
Temperature
17°F Jan (-8°C)
62°F Jul (16°C)
| Annual Average | 38.6°F |
| 29% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 62°F (16°C) |
| Sunny Days | 291 days/yr |
Geography
| Elevation | 5,948 ft (1,813 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 367/sq mi |
| Coordinates | 42.9197°N, 110.9955°W |
| Timezone | America/Denver |
| County | Lincoln County County |
| Nearest Airport | Jackson Hole (JAC) 49 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 34.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 51.9 / 100 |
| Social Vulnerability | 29.1 / 100 |
| Community Resilience | 15.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,332 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.
| Feb 3, 1994 | 4 km SSE of Auburn, Wyoming | M5.8 | 18 km | 8 km |
| Sep 2, 2017 | 12 km E of Soda Springs, Idaho | M5.3 | 48 km | 10 km |
| Apr 21, 2001 | 29 km WSW of Freedom, Idaho | M5.3 | 33 km | 1 km |
| Jan 7, 2004 | 20 km ESE of Kelly, Wyoming | M5.0 | 88 km | 3 km |
| Sep 10, 2017 | 9 km NNW of Georgetown, Idaho | M5.0 | 52 km | 10 km |
| Apr 15, 2010 | 9 km NE of Randolph, Utah | M4.9 | 134 km | 10 km |
| Feb 11, 1994 | 3 km SSE of Auburn, Wyoming | M4.8 | 17 km | 5 km |
| Aug 27, 2016 | 4 km ENE of Bondurant, Wyoming | M4.8 | 62 km | 12 km |
| Aug 5, 2010 | 19 km E of Kelly, Wyoming | M4.8 | 90 km | 5 km |
| Sep 3, 2017 | 10 km E of Soda Springs, Idaho | M4.7 | 50 km | 8 km |
| Feb 4, 1994 | 4 km WNW of Fairview, Wyoming | M4.7 | 24 km | 5 km |
| Dec 28, 1993 | 38 km NE of Bondurant, Wyoming | M4.7 | 94 km | 8 km |
| Sep 10, 2017 | 12 km ESE of Soda Springs, Idaho | M4.7 | 52 km | 5 km |
| Sep 11, 2017 | 9 km NW of Georgetown, Idaho | M4.7 | 55 km | 8 km |
| Sep 3, 2017 | 15 km ESE of Soda Springs, Idaho | M4.7 | 49 km | 10 km |
| Sep 6, 2017 | 11 km NNW of Georgetown, Idaho | M4.6 | 53 km | 10 km |
| Feb 7, 1994 | 4 km SW of Fairview, Wyoming | M4.5 | 29 km | 5 km |
| Sep 4, 2017 | 13 km ESE of Soda Springs, Idaho | M4.5 | 50 km | 6 km |
| Feb 10, 1994 | 3 km WSW of Auburn, Wyoming | M4.4 | 16 km | 5 km |
| Nov 10, 1992 | 32 km WNW of Freedom, Idaho | M4.4 | 39 km | 10 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: EF2.
| Date | Rating | Distance | Path | Fatalities |
| Jun 12, 2022 | EF2 | 84 km | 2.1 mi | 0 |
| Sep 4, 2016 | EF1 | 62 km | 2.4 mi | 0 |
| May 21, 1986 | EF1 | 81 km | 0.5 mi | 0 |
| Jul 24, 1980 | EF1 | 22 km | 0.1 mi | 0 |
| Jul 30, 1975 | EF1 | 71 km | 0.1 mi | 0 |
| Sep 4, 2024 | EF0 | 97 km | 0.1 mi | 0 |
| Jun 23, 2023 | EF0 | 67 km | 0.2 mi | 0 |
| Jun 2, 2019 | EF0 | 75 km | 1.0 mi | 0 |
| Apr 26, 2019 | EF0 | 83 km | 0.1 mi | 0 |
| Nov 17, 2017 | EF0 | 98 km | 5.0 mi | 0 |
| Jul 31, 2016 | EF0 | 54 km | 1.7 mi | 0 |
| May 31, 2014 | EF0 | 93 km | 0.3 mi | 0 |
| Jul 7, 2013 | EF0 | 81 km | 1.0 mi | 0 |
| Sep 5, 2007 | EF0 | 50 km | 7.5 mi | 0 |
| Aug 17, 2007 | EF0 | 100 km | 0.2 mi | 0 |
| May 28, 2005 | EF0 | 98 km | 0.3 mi | 0 |
| Jun 10, 1998 | EF0 | 71 km | 0.1 mi | 0 |
| Jul 19, 1997 | EF0 | 75 km | 3.0 mi | 0 |
| Jun 14, 1997 | EF0 | 92 km | 0.5 mi | 0 |
| Sep 9, 1991 | EF0 | 94 km | 0.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Hell's Half Acre (134 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Hell's Half Acre | Shield | 1,631 m (5,351 ft) | -3250 | 134 km |
| Yellowstone | Caldera(s) | 2,805 m (9,203 ft) | -1350 | 170 km |
| Wapi Lava Field | Shield | 1,604 m (5,262 ft) | -300 | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: FONTENELLE (58,125 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | FONTENELLE | 58,125 | 58 km |
| 2018 | ROOSEVELT | 55,330 | 52 km |
| 2016 | HENRYS CREEK | 52,988 | 86 km |
| 2016 | CLIFF CREEK | 36,131 | 65 km |
| 1992 | SAGEHEN | 26,663 | 91 km |
| 2012 | RIDGE TOP | 17,793 | 98 km |
| 2007 | CLEVELAND | 16,172 | 93 km |
| 2000 | FONTENELLE | 14,894 | 84 km |
| 2008 | NEW FORK | 14,481 | 94 km |
| 2011 | RED ROCK COMPLEX | 10,046 | 87 km |
| 2016 | LONE PINE | 9,009 | 96 km |
| 2005 | SAWMILL | 8,694 | 94 km |
| 2007 | HORSE CREEK | 8,149 | 45 km |
| 1988 | TRAIL CREEK | 7,965 | 21 km |
| 2000 | BLIND TRAIL | 7,758 | 28 km |
| 1991 | DRY COTTONWOOD | 6,996 | 99 km |
| 2010 | POLE CREEK STANDS | 6,900 | 91 km |
| 2007 | BLACK HAWK | 6,407 | 92 km |
| 2018 | MARTEN CREEK | 6,383 | 37 km |
| 1991 | GARDEN PK | 5,649 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-8°C) | 1.9 in | |
| February | 18°F (-8°C) | 1.6 in | |
| March | 26°F (-4°C) | 1.5 in | |
| April | 34°F (1°C) | 1.6 in | |
| May | 44°F (7°C) | 2.1 in | Wettest |
| June | 52°F (11°C) | 1.8 in | |
| July | 62°F (16°C) | 1.2 in | Warmest, Driest |
| August | 58°F (15°C) | 1.4 in | |
| September | 50°F (10°C) | 1.7 in | |
| October | 39°F (4°C) | 1.5 in | |
| November | 25°F (-4°C) | 1.8 in | |
| December | 14°F (-10°C) | 1.8 in | Coldest |
Thayne has a seasonal temperature swing of 47°F / from 14°F in December to 62°F in July. Total annual precipitation is 19.9 inches, with May being the wettest month (2.1") and July the driest (1.2").