Weather & Climate in Midvale, ID

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

Midvale experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 29°F in January while summers reach 78°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 13.5 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 2,545 feet.

Temperature

29°F Jan (-1°C) 78°F Jul (25°C)

Annual Average	52.3°F
	3% below US avg
January Average	29°F (-1°C)
July Average	78°F (25°C)
Sunny Days	311 days/yr

Geography

Elevation	2,545 ft (776 m)
Area	2.6 sq mi (6.8 km²)
Population Density	129/sq mi
Coordinates	44.4623°N, 116.7407°W
Timezone	America/Boise
County	Washington County County
Nearest Airport	Boise Air Trml/Gowen Field (BOI) 67 miles away

Precipitation & Snow

Annual Rainfall 13.5"

65% below US avg

Wettest Month (Dec) 2.91"

Driest Month (Jul) 0.43"

Air Quality

AQI Median	33.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	30.3 / 100
Social Vulnerability	70.0 / 100
Community Resilience	7.0 / 100

Hazard Breakdown

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

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

Earthquake History

1,277 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.

Mar 31, 2020	Stanley, Idaho	M6.5	129 km	12 km
Feb 26, 2024	10 km N of Smiths Ferry, Idaho	M4.9	51 km	12 km
Apr 1, 2020	21 km WNW of Stanley, Idaho	M4.8	126 km	10 km
Jun 25, 2020	27 km NW of Stanley, Idaho	M4.6	124 km	8 km
May 14, 2020	31 km NW of Stanley, Idaho	M4.4	121 km	13 km
Apr 1, 2020	23 km NW of Stanley, Idaho	M4.4	126 km	7 km
May 21, 2020	26 km NW of Stanley, Idaho	M4.4	126 km	6 km
Apr 11, 1995	20 km SSE of Yellow Pine, Idaho	M4.2	110 km	5 km
Jun 9, 2020	11 km NW of Stanley, Idaho	M4.2	137 km	10 km
Jun 14, 2020	10 km NW of Stanley, Idaho	M4.2	136 km	8 km
Apr 11, 2020	20 km NW of Stanley, Idaho	M4.1	128 km	10 km
Jul 10, 2020	18 km SW of Stanley, Idaho	M4.1	138 km	10 km
Apr 21, 2020	29 km NW of Stanley, Idaho	M4.1	124 km	10 km
Jun 3, 2025	15 km NNW of Stanley, Idaho	M4.0	138 km	14 km
Apr 3, 2020	20 km NW of Stanley, Idaho	M4.0	127 km	10 km
Apr 1, 2020	18 km NW of Stanley, Idaho	M4.0	130 km	14 km
Jun 3, 2025	17 km NNW of Stanley, Idaho	M4.0	136 km	10 km
Oct 27, 1994	11 km SE of Halfway, Oregon	M4.0	44 km	10 km
Apr 3, 2020	26 km NW of Stanley, Idaho	M3.9	123 km	15 km
Jun 4, 2025	16 km NNW of Stanley, Idaho	M3.9	138 km	12 km

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

Tornado History

31 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.

Date	Rating	Distance	Path	Fatalities
Jun 4, 2006	EF2	63 km	12.0 mi	0
Apr 30, 1997	EF1	64 km	3.0 mi	0
May 17, 1996	EF1	80 km	0.3 mi	0
May 17, 1996	EF1	30 km	5.5 mi	0
Jun 19, 1991	EF1	69 km	0.1 mi	0
Jul 9, 1990	EF1	23 km	0.1 mi	0
Jul 1, 1983	EF1	50 km	2.0 mi	0
Apr 23, 1974	EF1	82 km	1.0 mi	0
Aug 25, 1966	EF1	82 km	19.1 mi	0
Jun 27, 1958	EF1	46 km	5.0 mi	0
Jul 9, 1956	EF1	87 km	0.1 mi	0
May 26, 2023	EF0	86 km	1.0 mi	0
Aug 25, 2004	EF0	82 km	—	0
Aug 25, 2004	EF0	66 km	—	0
Jun 23, 2004	EF0	97 km	0.1 mi	0
Apr 6, 2003	EF0	99 km	1.0 mi	0
Sep 29, 2002	EF0	67 km	1.0 mi	0
Feb 7, 2002	EF0	69 km	0.1 mi	0
Sep 13, 2001	EF0	30 km	1.0 mi	0
Dec 15, 2000	EF0	99 km	1.0 mi	0

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Jordan Craters (157 km).

Name	Type	Elevation	Last Eruption	Distance
Jordan Craters	Volcanic field	1,473 m (4,833 ft)	-1250	157 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: CASCADE COMPLEX (MONUMENTAL) (317,157 acres, 2007).

Year	Name	Acres Burned	Distance
2007	CASCADE COMPLEX (MONUMENTAL)	317,157	100 km
2016	PIONEER	189,596	99 km
2024	PADDOCK	186,842	41 km
1994	CORRAL CREEK-BLACKWELL COMPLEX	140,101	95 km
2024	COW VALLEY	134,642	74 km
2015	CORNET-WINDY RIDGE	102,553	80 km
2020	WOODHEAD	98,995	32 km
2000	JACKSON	80,733	49 km
2006	CHERRY	56,773	50 km
2006	FOSTER GULCH	52,496	51 km
2006	RATTLESNAKE COMPLEX	48,330	79 km
2013	OWYHEE	48,001	99 km
1986	BISSELL CK	40,847	53 km
1986	VAN DUSEN	39,901	53 km
2022	WILLOW CREEK	38,585	53 km
2018	MESA	34,541	38 km
1996	COW HOLLOW COMPLEX (COW HOLLOW)	31,276	86 km
2024	THOMPSON	31,066	51 km
2017	BEARSKIN	29,637	95 km
2006	SOUTHFORK COMPLEX (COUGAR)	27,931	93 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	29°F (-1°C)	2.8 in
February	30°F (-1°C)	2.2 in
March	40°F (4°C)	1.9 in
April	47°F (8°C)	1.2 in
May	55°F (13°C)	1.3 in
June	64°F (18°C)	1.1 in
July	78°F (25°C)	0.4 in	Warmest, Driest
August	72°F (22°C)	0.6 in
September	62°F (17°C)	0.8 in
October	50°F (10°C)	1.1 in
November	36°F (2°C)	2.5 in
December	26°F (-3°C)	2.9 in	Coldest, Wettest

Midvale has a seasonal temperature swing of 51°F / from 26°F in December to 78°F in July. Total annual precipitation is 18.7 inches, with December being the wettest month (2.9") and July the driest (0.4").

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