Weather & Climate in Shawmut, MT

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

Shawmut has a cool climate with an average annual temperature of 44°F (7°C). Winters average 25°F in January while summers reach 67°F in July. The area gets 273 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 19.6 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 26 / among the cleanest air in the country. The city sits at an elevation of 3,860 feet.

Temperature

25°F Jan (-4°C) 67°F Jul (19°C)

Annual Average	43.8°F
	19% below US avg
January Average	25°F (-4°C)
July Average	67°F (19°C)
Sunny Days	273 days/yr

Geography

Elevation	3,860 ft (1,177 m)
Area	2.2 sq mi (5.6 km²)
Population Density	17/sq mi
Coordinates	46.3447°N, 109.5122°W
Timezone	America/Denver
County	Golden Valley County County
Nearest Airport	Billings Logan International (BIL) 59 miles away

Precipitation & Snow

Annual Rainfall 13.2"

65% below US avg

Snowfall 19.6"

Wettest Month (Jun) 2.48"

Driest Month (Feb) 0.35"

Air Quality

AQI Median	26.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	1.0 / 100
Social Vulnerability	45.2 / 100
Community Resilience	33.1 / 100

Hazard Breakdown

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

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

Earthquake History

49 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.

Apr 8, 2000	8 km ENE of Townsend, Montana	M4.1	146 km	5 km
Nov 10, 2000	14 km NE of Townsend, Montana	M4.0	143 km	2 km
Jul 14, 2019	11 km NNE of Manhattan, Montana	M4.0	143 km	6 km
Nov 6, 1997	4 km WSW of Springhill, Montana	M4.0	135 km	5 km
Feb 6, 1999	24 km E of Townsend, Montana	M3.9	130 km	1 km
Jan 30, 2023	9 km NNW of Livingston, Montana	M3.8	107 km	20 km
Jan 2, 1990	6 km NNE of Toston, Montana	M3.7	145 km	1 km
Feb 22, 2019	4 km N of Manhattan, Montana	M3.7	149 km	6 km
May 24, 2000	9 km ENE of Townsend, Montana	M3.7	145 km	3 km
Jan 9, 2003	23 km E of Wilsall, Montana	M3.7	75 km	11 km
Jul 6, 2021	27 km SSE of Melstone, Montana	M3.6	135 km	10 km
Jul 23, 2014	11 km NNE of Toston, Montana	M3.6	144 km	10 km
Jul 2, 1993	8 km N of Manhattan, Montana	M3.5	147 km	5 km
Nov 13, 1997	4 km WSW of Springhill, Montana	M3.4	135 km	6 km
Jun 6, 2000	7 km E of Townsend, Montana	M3.3	147 km	2 km
Apr 1, 2000	9 km ENE of Townsend, Montana	M3.3	145 km	7 km
Feb 11, 1999	23 km E of Townsend, Montana	M3.3	131 km	3 km
Apr 9, 2000	9 km ENE of Townsend, Montana	M3.2	145 km	4 km
Jul 21, 2023	Eastern Montana	M3.2	107 km	5 km
Apr 10, 2000	8 km E of Townsend, Montana	M3.2	146 km	4 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
Jun 16, 1965	EF3	99 km	20.6 mi	0
Jul 2, 2010	EF2	74 km	2.1 mi	0
Jun 20, 2010	EF2	99 km	0.7 mi	0
Aug 14, 1999	EF2	81 km	5.0 mi	0
Jul 10, 1965	EF2	85 km	2.0 mi	0
Jul 20, 1964	EF2	23 km	2.0 mi	0
Jul 2, 1958	EF2	100 km	0.5 mi	0
Aug 23, 1998	EF1	77 km	3.5 mi	0
Jun 21, 1991	EF1	94 km	0.2 mi	0
May 24, 1990	EF1	96 km	0.2 mi	0
May 10, 1977	EF1	82 km	0.1 mi	0
May 10, 1977	EF1	91 km	0.1 mi	0
Jun 3, 1971	EF1	45 km	2.3 mi	0
Aug 22, 1965	EF1	71 km	1.5 mi	0
Aug 12, 1958	EF1	90 km	0.5 mi	0
Jul 7, 1957	EF1	83 km	1.5 mi	0
Jun 27, 2019	EF0	91 km	0.3 mi	0
Jun 27, 2019	EF0	53 km	0.4 mi	0
May 9, 2018	EF0	66 km	0.7 mi	0
Jun 5, 2012	EF0	89 km	3.8 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: DERBY (200,993 acres, 2006).

Year	Name	Acres Burned	Distance
2006	DERBY	200,993	87 km
1984	HAWK CREEK	157,778	96 km
2003	HOBBLE	38,365	59 km
2020	BOBCAT	31,020	88 km
1990	TURKEY	25,658	90 km
2012	DAHL	21,448	73 km
2021	AMERICAN FORK	20,726	65 km
2021	SOUTH MOCCASIN	12,727	93 km
1985	SANDPOINT	10,439	90 km
1994	BLACK BUTTE	10,231	78 km
2010	STUMP GULCH	8,873	72 km
2021	TROUT CREEK	7,804	93 km
2020	LOUSE CREEK	5,237	90 km
2002	COW CREEK	5,162	93 km
1988	TWO DOT	5,097	58 km
1999	HORSE THIE	4,767	56 km
1991	BURNETTEPK	4,644	92 km
2020	YOGO	4,429	99 km
2017	BLACKTAIL	4,029	60 km
2017	NORTH DELPHIA	3,767	97 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	25°F (-4°C)	0.6 in	Coldest
February	28°F (-2°C)	0.4 in	Driest
March	34°F (1°C)	0.6 in
April	43°F (6°C)	1.1 in
May	52°F (11°C)	2.4 in
June	61°F (16°C)	2.5 in	Wettest
July	67°F (19°C)	1.5 in	Warmest
August	67°F (19°C)	1.5 in
September	57°F (14°C)	1.1 in
October	46°F (8°C)	0.8 in
November	33°F (1°C)	0.5 in
December	25°F (-4°C)	0.5 in

Shawmut has a seasonal temperature swing of 42°F / from 25°F in January to 67°F in July. Total annual precipitation is 13.3 inches, with June being the wettest month (2.5") and February the driest (0.4").

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