Weather & Climate in Fort Washakie, WY

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Fort Washakie has a cool climate with an average annual temperature of 44°F (6°C). Winters average 22°F in January while summers reach 68°F in July. The area gets 310 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 9.8 inches (drier than the 38-inch national average). The area receives 28.8 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 5,756 feet.

Temperature

22°F Jan (-6°C) 68°F Jul (20°C)

Annual Average	43.5°F
	19% below US avg
January Average	22°F (-6°C)
July Average	68°F (20°C)
Sunny Days	310 days/yr

Geography

Elevation	5,756 ft (1,754 m)
Area	20.9 sq mi (54.1 km²)
Population Density	64/sq mi
Coordinates	43.0069°N, 108.9204°W
Timezone	America/Denver
County	Fremont County County
Nearest Airport	Central Wyoming Regional (RIW) 24 miles away

Precipitation & Snow

Annual Rainfall 9.8"

74% below US avg

Snowfall 28.8"

Wettest Month (May) 1.85"

Driest Month (Feb) 0.31"

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

177 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.

Jan 7, 2004	20 km ESE of Kelly, Wyoming	M5.0	134 km	3 km
Sep 21, 2013	20 km W of Fort Washakie, Wyoming	M4.8	17 km	76 km
Aug 27, 2016	4 km ENE of Bondurant, Wyoming	M4.8	119 km	12 km
Aug 5, 2010	19 km E of Kelly, Wyoming	M4.8	136 km	5 km
Dec 28, 1993	38 km NE of Bondurant, Wyoming	M4.7	112 km	8 km
Jun 20, 1998	8 km E of Hoback, Wyoming	M4.4	146 km	0 km
Sep 27, 2001	35 km WSW of Dubois, Wyoming	M4.3	105 km	5 km
Aug 5, 2010	19 km E of Kelly, Wyoming	M4.2	138 km	5 km
Aug 17, 2010	22 km E of Kelly, Wyoming	M4.1	132 km	5 km
Apr 7, 2004	18 km E of Kelly, Wyoming	M4.0	137 km	5 km
Sep 12, 2010	18 km SSE of Hoback, Wyoming	M4.0	146 km	5 km
Feb 26, 2016	23 km SE of Kelly, Wyoming	M4.0	131 km	5 km
Jan 7, 2004	17 km E of Kelly, Wyoming	M4.0	137 km	5 km
May 26, 2000	5 km S of Bairoil, Wyoming	M4.0	143 km	5 km
Oct 10, 1992	25 km SSE of Riverton, Wyoming	M4.0	59 km	5 km
Jan 7, 2004	18 km ESE of Kelly, Wyoming	M4.0	136 km	5 km
Nov 3, 2017	57 km S of Ten Sleep, Wyoming	M4.0	137 km	17 km
Apr 18, 2025	15 km E of Jackson, Wyoming	M3.9	143 km	4 km
Apr 13, 2021	51 km S of Ten Sleep, Wyoming	M3.9	141 km	12 km
Apr 1, 2011	22 km NW of Daniel, Wyoming	M3.9	110 km	5 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

28 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 4 injuries.

Date	Rating	Distance	Path	Fatalities
Jun 16, 1962	EF3	18 km	0.5 mi	0
Jun 7, 1986	EF2	69 km	2.0 mi	0
Aug 27, 1973	EF2	48 km	0.5 mi	0
Jun 6, 1967	EF2	48 km	8.2 mi	0
May 6, 2014	EF1	57 km	1.5 mi	0
Jun 6, 1997	EF1	49 km	2.0 mi	0
Aug 3, 1980	EF1	70 km	0.1 mi	0
Jun 20, 1977	EF1	94 km	2.0 mi	0
Aug 3, 1976	EF1	86 km	0.1 mi	0
Jul 30, 1975	EF1	100 km	0.1 mi	0
Jun 6, 1968	EF1	44 km	3.0 mi	0
Jun 5, 1968	EF1	43 km	0.1 mi	0
Jun 14, 1967	EF1	43 km	0.5 mi	0
Apr 23, 1964	EF1	28 km	0.5 mi	0
Sep 9, 2024	EF0	91 km	0.2 mi	0
Sep 4, 2024	EF0	88 km	0.1 mi	0
Aug 11, 2020	EF0	32 km	0.2 mi	0
May 28, 2018	EF0	76 km	0.5 mi	0
Jun 3, 2014	EF0	85 km	2.2 mi	0
May 31, 2014	EF0	96 km	0.3 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	68 km
2012	ALPINE LAKE	39,158	32 km
1988	FAYETTE	29,234	55 km
2008	NEW FORK	14,481	77 km
2002	SOUTH FORK II	13,803	13 km
2002	PASS CREEK	13,724	44 km
1996	FAYETTE	5,308	70 km
2000	MUDDYCRK	4,601	82 km
2007	COPPER MTN.	4,458	87 km
1999	LOWER GRAS	3,489	98 km
1989	ANNS	3,298	48 km
2006	JIM CREEK WFU	2,835	85 km
2002	DIVIDE	2,831	47 km
2007	SALT LICK	2,527	86 km
2022	WASHAKIE PARK	2,337	17 km
1988	WISE FLAT	2,232	72 km
2001	BEAVER RIM	2,171	59 km
1996	BARBEQUE	2,113	94 km
2000	SPRING MNT	1,820	70 km
2016	TWIN LAKES	1,813	100 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	22°F (-6°C)	0.4 in
February	25°F (-4°C)	0.3 in	Driest
March	34°F (1°C)	0.6 in
April	42°F (5°C)	1.2 in
May	51°F (11°C)	1.9 in	Wettest
June	61°F (16°C)	1.1 in
July	68°F (20°C)	0.8 in	Warmest
August	66°F (19°C)	0.7 in
September	56°F (13°C)	1.0 in
October	45°F (7°C)	0.8 in
November	30°F (-1°C)	0.6 in
December	21°F (-6°C)	0.4 in	Coldest

Fort Washakie has a seasonal temperature swing of 47°F / from 21°F in December to 68°F in July. Total annual precipitation is 9.6 inches, with May being the wettest month (1.9") and February the driest (0.3").

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