Weather & Climate in Opheim, MT

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

Opheim has a cool climate with an average annual temperature of 39°F (4°C). Winters average 11°F in January while summers reach 66°F in July. The area gets 274 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 14.4 inches (drier than the 38-inch national average). The area receives 33.0 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 3,264 feet.

Temperature

11°F Jan (-12°C) 66°F Jul (19°C)

Annual Average	39.1°F
	28% below US avg
January Average	11°F (-12°C)
July Average	66°F (19°C)
Sunny Days	274 days/yr

Geography

Elevation	3,264 ft (995 m)
Area	0.2 sq mi (0.5 km²)
Population Density	519/sq mi
Coordinates	48.8571°N, 106.4084°W
Timezone	America/Denver
County	Valley County County
Nearest Airport	Williston Basin International (XWA) 128 miles away

Precipitation & Snow

Annual Rainfall 14.4"

62% below US avg

Snowfall 33.0"

Wettest Month (Jun) 2.76"

Driest Month (Feb) 0.39"

Air Quality

AQI Median	26.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	35.9 / 100
Social Vulnerability	40.2 / 100
Community Resilience	45.3 / 100

Hazard Breakdown

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

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

Earthquake History

3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.

Feb 25, 2014	23 km N of Brockton, Montana	M3.8	126 km	5 km
Jul 29, 1998	16 km WNW of Froid, Montana	M3.8	136 km	5 km
Jul 10, 2021	24 km SSE of Malta, Montana	M2.7	129 km	10 km

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

Tornado History

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

Date	Rating	Distance	Path	Fatalities
Jul 18, 2022	EF2	12 km	8.0 mi	0
Jul 15, 2013	EF2	81 km	23.0 mi	0
Jun 25, 1975	EF2	42 km	0.1 mi	0
Jun 25, 1975	EF2	71 km	0.1 mi	0
Jun 11, 1972	EF2	20 km	0.3 mi	0
Aug 4, 1962	EF2	19 km	42.9 mi	0
Jun 29, 2011	EF1	77 km	0.8 mi	0
Jun 16, 2010	EF1	99 km	2.6 mi	0
Aug 10, 2007	EF1	9 km	0.3 mi	0
Jun 21, 1999	EF1	1 km	0.2 mi	0
Jul 4, 1998	EF1	94 km	3.0 mi	0
Jul 4, 1991	EF1	87 km	0.2 mi	0
Jun 29, 1991	EF1	92 km	0.2 mi	0
Jul 10, 1983	EF1	77 km	1.0 mi	0
Jun 11, 1972	EF1	44 km	10.4 mi	0
Jun 11, 1972	EF1	8 km	3.6 mi	0
Aug 6, 1970	EF1	65 km	0.1 mi	0
Jun 20, 1959	EF1	79 km	0.1 mi	0
Jun 18, 1958	EF1	84 km	0.1 mi	0
Jul 9, 1954	EF1	28 km	2.0 mi	0

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

Wildfire History

17 wildfires (100+ acres) recorded within 100 km. Largest: HIGHWAY 13-20 (8,372 acres, 2012).

Year	Name	Acres Burned	Distance
2012	HIGHWAY 13-20	8,372	97 km
2003	GREYBULL	7,229	95 km
1988	LANGEN	6,585	33 km
2006	BUFFALO RANCH	5,206	99 km
2020	BULL	3,428	81 km
2022	BLISTER	3,298	82 km
2021	BADGER HOLE	2,804	90 km
2020	SAGE	2,554	80 km
2002	WHITEWATER	1,755	77 km
2017	FOUR BUTTES	1,711	57 km
2012	SKOV	1,624	98 km
2006	TOAVS	1,503	77 km
2017	SKYVIEW RIDGE	1,444	84 km
2005	BORDER	1,409	56 km
2003	PORCUPINEC	1,383	67 km
2006	R.TOAVS	1,290	83 km
1996	J.BAUER	1,210	92 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	11°F (-12°C)	0.6 in	Coldest
February	16°F (-9°C)	0.4 in	Driest
March	28°F (-3°C)	0.6 in
April	42°F (5°C)	0.8 in
May	53°F (12°C)	2.2 in
June	62°F (17°C)	2.8 in	Wettest
July	66°F (19°C)	2.4 in
August	67°F (19°C)	1.3 in	Warmest
September	55°F (13°C)	1.3 in
October	44°F (7°C)	0.9 in
November	26°F (-3°C)	0.4 in
December	14°F (-10°C)	0.6 in

Opheim has a seasonal temperature swing of 56°F / from 11°F in January to 67°F in August. Total annual precipitation is 14.3 inches, with June being the wettest month (2.8") and February the driest (0.4").

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