Weather & Climate in Judith Gap, MT

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

Judith Gap has a cool climate with an average annual temperature of 42°F (5°C). Winters average 23°F in January while summers reach 65°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 15.9 inches (drier than the 38-inch national average). The area receives 27.5 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 4,643 feet.

Temperature

23°F Jan (-5°C) 65°F Jul (18°C)

Annual Average	41.6°F
	23% below US avg
January Average	23°F (-5°C)
July Average	65°F (18°C)
Sunny Days	273 days/yr

Geography

Elevation	4,643 ft (1,415 m)
Area	0.3 sq mi (0.9 km²)
Population Density	397/sq mi
Coordinates	46.6791°N, 109.7533°W
Timezone	America/Denver
County	Wheatland County County
Nearest Airport	Billings Logan International (BIL) 83 miles away

Precipitation & Snow

Annual Rainfall 15.9"

58% below US avg

Snowfall 27.5"

Wettest Month (May) 2.91"

Driest Month (Feb) 0.51"

Air Quality

AQI Median	26.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	3.5 / 100
Social Vulnerability	62.2 / 100
Community Resilience	10.2 / 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	Relatively Low
Lightning	Relatively Low
Ice Storm	Very Low
Drought	Very Low
Cold Wave	Relatively Low
Landslide	Very Low
Avalanche	Very Low

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

Earthquake History

60 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	132 km	5 km
Jul 14, 2019	11 km NNE of Manhattan, Montana	M4.0	142 km	6 km
Nov 10, 2000	14 km NE of Townsend, Montana	M4.0	128 km	2 km
Nov 6, 1997	4 km WSW of Springhill, Montana	M4.0	140 km	5 km
Feb 6, 1999	24 km E of Townsend, Montana	M3.9	117 km	1 km
Jan 30, 2023	9 km NNW of Livingston, Montana	M3.8	123 km	20 km
May 24, 2000	9 km ENE of Townsend, Montana	M3.7	131 km	3 km
Feb 22, 2019	4 km N of Manhattan, Montana	M3.7	150 km	6 km
Jan 2, 1990	6 km NNE of Toston, Montana	M3.7	136 km	1 km
Jan 9, 2003	23 km E of Wilsall, Montana	M3.7	87 km	11 km
Jul 23, 2014	11 km NNE of Toston, Montana	M3.6	133 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	140 km	6 km
Feb 11, 1999	23 km E of Townsend, Montana	M3.3	118 km	3 km
Apr 1, 2000	9 km ENE of Townsend, Montana	M3.3	132 km	7 km
Jun 6, 2000	7 km E of Townsend, Montana	M3.3	134 km	2 km
Apr 6, 2017	4 km W of Ponderosa Pines, Montana	M3.3	147 km	8 km
Apr 10, 2000	8 km E of Townsend, Montana	M3.2	133 km	4 km
Apr 7, 2002	5 km WSW of Ponderosa Pines, Montana	M3.2	149 km	7 km
Apr 9, 2000	9 km ENE of Townsend, Montana	M3.2	131 km	4 km

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

Tornado History

56 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 4 injuries.

Date	Rating	Distance	Path	Fatalities
Jul 2, 2010	EF2	77 km	2.1 mi	0
Jul 8, 2002	EF2	71 km	10.0 mi	0
Aug 14, 1999	EF2	50 km	5.0 mi	0
Jun 25, 1996	EF2	80 km	2.0 mi	0
Apr 24, 1994	EF2	64 km	1.0 mi	0
Apr 24, 1994	EF2	64 km	1.5 mi	0
May 28, 1981	EF2	92 km	1.5 mi	0
Jun 8, 1976	EF2	79 km	0.1 mi	0
Jul 10, 1965	EF2	51 km	2.0 mi	0
Jul 20, 1964	EF2	31 km	2.0 mi	0
Jun 5, 2012	EF1	86 km	2.8 mi	0
Jun 16, 2007	EF1	70 km	5.3 mi	0
Apr 22, 2003	EF1	64 km	2.0 mi	0
Aug 23, 1998	EF1	39 km	3.5 mi	0
May 10, 1977	EF1	49 km	0.1 mi	0
May 10, 1977	EF1	40 km	0.1 mi	0
Jun 3, 1971	EF1	12 km	2.3 mi	0
Aug 22, 1965	EF1	100 km	1.5 mi	0
Jul 7, 1957	EF1	41 km	1.5 mi	0
Jul 6, 2022	EF0	61 km	1.3 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: HOBBLE (38,365 acres, 2003).

Year	Name	Acres Burned	Distance
2003	HOBBLE	38,365	95 km
1990	TURKEY	25,658	50 km
2021	TAYLOR	21,704	91 km
2021	AMERICAN FORK	20,726	71 km
2021	SOUTH MOCCASIN	12,727	59 km
2009	MEISSNER	12,318	93 km
1985	SANDPOINT	10,439	58 km
2021	BALSINGER	8,317	93 km
2017	CHINN MA	7,029	93 km
2020	LOUSE CREEK	5,237	50 km
1988	TWO DOT	5,097	54 km
1999	HORSE THIE	4,767	75 km
1991	BURNETTEPK	4,644	63 km
2020	YOGO	4,429	63 km
2017	BLACKTAIL	4,029	64 km
1996	COYOTE	3,320	82 km
2020	EAGLE ROCK ROAD	3,129	93 km
2012	ANDERSON	2,917	52 km
2020	LODE ROAD	2,736	15 km
2001	TWIN COULE	2,688	46 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)	0.5 in	Driest
March	32°F (0°C)	0.8 in
April	41°F (5°C)	1.2 in
May	50°F (10°C)	2.9 in	Wettest
June	58°F (14°C)	2.9 in
July	65°F (18°C)	1.9 in	Warmest
August	64°F (18°C)	1.7 in
September	55°F (13°C)	1.3 in
October	45°F (7°C)	0.9 in
November	31°F (-0°C)	0.5 in
December	24°F (-5°C)	0.6 in

Judith Gap has a seasonal temperature swing of 42°F / from 23°F in January to 65°F in July. Total annual precipitation is 15.9 inches, with May being the wettest month (2.9") and February the driest (0.5").

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