Weather & Climate in Wineglass, MT

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

Wineglass has a cool climate with an average annual temperature of 42°F (5°C). Winters average 21°F in January while summers reach 66°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 14.9 inches (drier than the 38-inch national average). 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 5,094 feet.

Temperature

21°F Jan (-6°C) 66°F Jul (19°C)

Annual Average	41.6°F
	23% below US avg
January Average	21°F (-6°C)
July Average	66°F (19°C)
Sunny Days	311 days/yr

Geography

Elevation	5,094 ft (1,553 m)
Area	6.3 sq mi (16.2 km²)
Population Density	29/sq mi
Coordinates	45.6280°N, 110.6233°W
Timezone	America/Denver
County	Park County County
Nearest Airport	Bozeman Yellowstone International (BZN) 27 miles away

Precipitation & Snow

Annual Rainfall 14.9"

61% below US avg

Wettest Month (May) 2.99"

Driest Month (Feb) 0.67"

Air Quality

AQI Median	26.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	66.3 / 100
Social Vulnerability	29.1 / 100
Community Resilience	82.1 / 100

Hazard Breakdown

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

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

Earthquake History

914 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.

Mar 30, 2014	22 km S of Mammoth, Wyoming	M4.8	95 km	6 km
Feb 5, 2006	44 km NE of Spencer, Idaho	M4.4	143 km	14 km
May 8, 2007	8 km NNW of Alder, Montana	M4.4	120 km	14 km
Jun 16, 2017	12 km E of Hebgen Lake Estates, Montana	M4.4	100 km	9 km
Jun 13, 2016	45 km W of Hebgen Lake Estates, Montana	M4.3	134 km	10 km
Oct 28, 1998	18 km S of Whitehall, Montana	M4.3	118 km	5 km
May 11, 2022	36 km S of Silver Gate, Montana	M4.2	116 km	14 km
Nov 24, 2000	24 km S of Mammoth, Wyoming	M4.2	98 km	9 km
Aug 16, 2019	4 km NW of Manhattan, Montana	M4.2	65 km	2 km
Mar 25, 2008	35 km S of Silver Gate, Montana	M4.2	114 km	4 km
Apr 8, 2000	8 km ENE of Townsend, Montana	M4.1	100 km	5 km
Jun 18, 2006	6 km S of Pony, Montana	M4.1	100 km	12 km
Aug 6, 2019	3 km NW of Manhattan, Montana	M4.1	64 km	5 km
Aug 30, 1997	25 km WNW of Hebgen Lake Estates, Montana	M4.1	111 km	4 km
Sep 3, 2016	16 km S of Whitehall, Montana	M4.0	117 km	8 km
Jul 14, 2019	11 km NNE of Manhattan, Montana	M4.0	62 km	6 km
Nov 6, 1997	4 km WSW of Springhill, Montana	M4.0	42 km	5 km
Mar 6, 2009	18 km S of Whitehall, Montana	M4.0	117 km	12 km
Nov 10, 2000	14 km NE of Townsend, Montana	M4.0	103 km	2 km
Jan 18, 2006	18 km NNE of Dillon, Montana	M4.0	150 km	9 km

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

Tornado History

14 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date	Rating	Distance	Path	Fatalities
Jul 2, 2010	EF2	63 km	2.1 mi	0
Aug 22, 1965	EF1	52 km	1.5 mi	0
Jun 15, 1960	EF1	36 km	1.3 mi	0
Aug 9, 2011	EF0	45 km	0.1 mi	0
Sep 9, 2010	EF0	88 km	0.3 mi	0
Jun 29, 1999	EF0	91 km	0.2 mi	0
Jul 2, 1997	EF0	62 km	0.1 mi	0
Jul 2, 1997	EF0	62 km	0.1 mi	0
Jun 15, 1996	EF0	94 km	2.0 mi	0
May 17, 1994	EF0	78 km	0.1 mi	0
Jun 29, 1992	EF0	94 km	0.1 mi	0
Aug 22, 1978	EF0	98 km	0.1 mi	0
Aug 22, 1978	EF0	94 km	0.1 mi	0
May 20, 1973	EF0	58 km	0.1 mi	0

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Yellowstone (133 km).

Name	Type	Elevation	Last Eruption	Distance
Yellowstone	Caldera(s)	2,805 m (9,203 ft)	-1350	133 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

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	63 km
1988	STORM CREEK	116,027	72 km
2000	TOSTON-MAUDLOW	80,383	81 km
1988	HELLROARING	77,598	64 km
2003	HOBBLE	38,365	78 km
2001	FRIDLEY	27,575	23 km
2006	JUNGLE	23,846	27 km
2007	WH COMPLEX (WICKED CREEK)	22,195	41 km
2021	AMERICAN FORK	20,726	65 km
1988	FAN	20,422	76 km
1996	SHEPARD MTN	17,379	92 km
2012	BEAR TRAP 2	14,875	74 km
2016	BUFFALO	13,706	77 km
2006	BIG CREEK	13,424	35 km
2013	MINER PARADISE COMPLEX	12,210	39 km
2012	MILLIE	10,497	41 km
1994	BLACK BUTTE	10,231	54 km
2000	BEAVER CREEK	9,568	93 km
2015	EUSTIS	8,469	80 km
2020	BRIDGER FOOTHILLS	8,291	26 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	21°F (-6°C)	0.8 in	Coldest
February	28°F (-2°C)	0.7 in	Driest
March	33°F (1°C)	1.2 in
April	41°F (5°C)	1.6 in
May	50°F (10°C)	3.0 in	Wettest
June	58°F (15°C)	2.8 in
July	66°F (19°C)	1.7 in	Warmest
August	64°F (18°C)	1.5 in
September	55°F (13°C)	1.8 in
October	45°F (7°C)	1.4 in
November	33°F (0°C)	1.0 in
December	25°F (-4°C)	0.8 in

Wineglass has a seasonal temperature swing of 45°F / from 21°F in January to 66°F in July. Total annual precipitation is 18.2 inches, with May being the wettest month (3.0") and February the driest (0.7").

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