Weather & Climate in Parkman, WY

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

Parkman has a cool climate with an average annual temperature of 44°F (7°C). Winters average 23°F in January while summers reach 68°F in July. The area gets 311 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 18.0 inches (drier than the 38-inch national average). The area receives 68.3 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 4,376 feet.

Temperature

23°F Jan (-5°C) 68°F Jul (20°C)

Annual Average	43.9°F
	19% below US avg
January Average	23°F (-5°C)
July Average	68°F (20°C)
Sunny Days	311 days/yr

Geography

Elevation	4,376 ft (1,334 m)
Area	9.6 sq mi (24.9 km²)
Population Density	41/sq mi
Coordinates	44.9571°N, 107.3135°W
Timezone	America/Denver
County	Big Horn County County
Nearest Airport	Sheridan County (SHR) 21 miles away

Precipitation & Snow

Annual Rainfall 18.0"

53% below US avg

Snowfall 68.3"

Wettest Month (May) 2.52"

Driest Month (Feb) 0.67"

Air Quality

AQI Median	34.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	31.1 / 100
Social Vulnerability	52.6 / 100
Community Resilience	7.7 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Low
Wildfire	Very Low
Flood	Relatively Low
Hail	Very Low
Strong Wind	Very Low
Heat Wave	Very Low
Winter Weather	Relatively Low
Lightning	Relatively Low
Ice Storm	Very Low
Drought	Relatively Low
Cold Wave	Relatively Low
Landslide	Relatively High
Volcano	Very Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

30 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.

Aug 22, 2009	20 km SSE of Birney, Montana	M4.0	71 km	14 km
Feb 25, 1993	31 km N of Arvada, Wyoming	M3.9	99 km	5 km
Dec 23, 1991	10 km SW of Colstrip, Montana	M3.6	107 km	5 km
Aug 31, 1992	34 km WNW of Kaycee, Wyoming	M3.6	128 km	5 km
Jul 4, 2021	43 km S of Ten Sleep, Wyoming	M3.6	146 km	17 km
Nov 16, 1993	17 km SSE of Ten Sleep, Wyoming	M3.5	120 km	5 km
Apr 5, 2002	7 km W of South Flat, Wyoming	M3.3	129 km	5 km
Sep 3, 2023	32 km NW of Kaycee, Wyoming	M3.3	120 km	5 km
Jul 21, 2023	Eastern Montana	M3.2	135 km	5 km
Feb 13, 1998	12 km NE of Hyattville, Wyoming	M3.0	71 km	5 km
Sep 27, 2016	43 km WSW of Gillette, Wyoming	M3.0	136 km	14 km
Oct 25, 2009	34 km S of Buffalo, Wyoming	M3.0	115 km	5 km
Mar 2, 2014	9 km SE of Washakie Ten, Wyoming	M2.9	110 km	0 km
May 25, 2018	45 km W of Biddle, Montana	M2.9	110 km	16 km
Feb 22, 1992	30 km E of Buffalo, Wyoming	M2.9	106 km	5 km
Sep 4, 2023	50 km WSW of Antelope Valley-Crestview, Wyoming	M2.8	142 km	5 km
Mar 23, 2023	8 km S of Shell, Wyoming	M2.8	66 km	11 km
Mar 30, 2018	20 km NNE of Sheridan, Wyoming	M2.8	38 km	5 km
Aug 7, 2022	38 km N of Arvada, Wyoming	M2.8	100 km	11 km
Jan 15, 2023	6 km NE of Ashland, Montana	M2.8	114 km	11 km

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

Tornado History

59 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 5 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 2, 1985	EF3	52 km	0.2 mi	0
Jul 4, 1978	EF2	74 km	5.0 mi	0
Jul 24, 1967	EF2	94 km	0.1 mi	0
Jul 9, 1962	EF2	98 km	0.5 mi	0
Jun 26, 1959	EF2	54 km	9.2 mi	1
Jun 3, 1958	EF2	60 km	0.2 mi	0
Jun 19, 2019	EF1	91 km	4.1 mi	0
Jun 7, 2018	EF1	80 km	0.8 mi	0
Jun 21, 2010	EF1	92 km	1.0 mi	0
Jun 1, 2009	EF1	88 km	0.4 mi	0
Jun 26, 2001	EF1	79 km	0.7 mi	0
Jun 6, 1997	EF1	72 km	1.0 mi	0
Jun 22, 1996	EF1	91 km	4.0 mi	0
Jul 9, 1991	EF1	89 km	0.1 mi	0
Jun 21, 1991	EF1	99 km	0.2 mi	0
Jun 21, 1984	EF1	41 km	1.0 mi	0
Jun 21, 1984	EF1	41 km	2.0 mi	0
Jun 15, 1984	EF1	10 km	1.0 mi	0
Jul 24, 1981	EF1	85 km	0.1 mi	0
Jun 18, 1978	EF1	75 km	0.1 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: REMINGTON (192,577 acres, 2024).

Year	Name	Acres Burned	Distance
2024	REMINGTON	192,577	86 km
2012	CHALKY	132,680	97 km
2017	DEER CREEK	90,147	66 km
2012	SARPY HILLS COMPLEX	83,942	77 km
2021	P F	66,375	96 km
2000	STAG	62,381	97 km
1994	BABY DEAN	61,955	74 km
2020	SARPY	51,619	82 km
2018	TEREK	43,872	97 km
2006	BUFFALO CREEK	37,630	79 km
2017	WITTEN	27,938	70 km
2003	LITTLEHAWK	27,926	81 km
2012	CATO	26,816	85 km
2020	WADDLE CREEK	25,809	64 km
2011	BLACK SPRINGS COMPLEX	19,473	87 km
2024	MCGHEE	19,161	68 km
1988	KIRBY	14,253	60 km
1994	BARREL SPR	13,526	74 km
1988	LOST	13,081	75 km
2007	BONE CREEK	12,776	45 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	23°F (-5°C)	0.8 in	Coldest
February	26°F (-3°C)	0.7 in	Driest
March	34°F (1°C)	1.1 in
April	43°F (6°C)	1.9 in
May	52°F (11°C)	2.5 in	Wettest
June	62°F (17°C)	2.4 in
July	68°F (20°C)	1.1 in	Warmest
August	68°F (20°C)	0.9 in
September	57°F (14°C)	1.6 in
October	46°F (8°C)	1.4 in
November	32°F (0°C)	0.9 in
December	23°F (-5°C)	0.8 in

Parkman has a seasonal temperature swing of 45°F / from 23°F in January to 68°F in July. Total annual precipitation is 16.0 inches, with May being the wettest month (2.5") and February the driest (0.7").

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