Weather & Climate in Meridian, ID

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

Meridian experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 33°F in January while summers reach 82°F in July. The area gets 304 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 15.5 inches (drier than the 38-inch national average). The area receives 25.5 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 2,595 feet.

Temperature

33°F Jan (1°C) 82°F Jul (28°C)

Annual Average	53.7°F
	1% below US avg
January Average	33°F (1°C)
July Average	82°F (28°C)
Sunny Days	304 days/yr

Geography

Elevation	2,595 ft (791 m)
Area	26.8 sq mi (69.5 km²)
Population Density	3,363/sq mi
Coordinates	43.6115°N, 116.4007°W
Timezone	America/Boise
County	Ada County County
Nearest Airport	Boise Air Trml/Gowen Field (BOI) 9 miles away

Precipitation & Snow

Annual Rainfall 15.5"

59% below US avg

Snowfall 25.5"

Wettest Month (Jan) 1.38"

Driest Month (Jul) 0.31"

Air Quality

AQI Median	33.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	87.8 / 100
Social Vulnerability	10.6 / 100
Community Resilience	92.2 / 100

Hazard Breakdown

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

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

Earthquake History

1,265 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.

Mar 31, 2020	Stanley, Idaho	M6.5	140 km	12 km
Feb 26, 2024	10 km N of Smiths Ferry, Idaho	M4.9	90 km	12 km
Apr 1, 2020	21 km WNW of Stanley, Idaho	M4.8	127 km	10 km
Jun 25, 2020	27 km NW of Stanley, Idaho	M4.6	131 km	8 km
May 14, 2020	31 km NW of Stanley, Idaho	M4.4	130 km	13 km
Apr 1, 2020	23 km NW of Stanley, Idaho	M4.4	128 km	7 km
May 21, 2020	26 km NW of Stanley, Idaho	M4.4	132 km	6 km
Jun 9, 2020	11 km NW of Stanley, Idaho	M4.2	133 km	10 km
Jun 14, 2020	10 km NW of Stanley, Idaho	M4.2	131 km	8 km
Apr 21, 2020	29 km NW of Stanley, Idaho	M4.1	132 km	10 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	118 km	10 km
Oct 27, 1994	11 km SE of Halfway, Oregon	M4.0	142 km	10 km
Jun 3, 2025	17 km NNW of Stanley, Idaho	M4.0	137 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	128 km	10 km
Apr 1, 2020	18 km NW of Stanley, Idaho	M4.0	130 km	14 km
Jul 10, 2020	14 km SW of Stanley, Idaho	M3.9	122 km	14 km
May 31, 2020	16 km SW of Stanley, Idaho	M3.9	119 km	10 km
Apr 3, 2020	26 km NW of Stanley, Idaho	M3.9	128 km	15 km

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

Tornado History

42 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 1 injury.

Date	Rating	Distance	Path	Fatalities
Apr 30, 1997	EF1	74 km	3.0 mi	0
May 17, 1996	EF1	57 km	0.3 mi	0
May 17, 1996	EF1	84 km	5.5 mi	0
Jun 19, 1991	EF1	30 km	0.1 mi	0
Jul 9, 1990	EF1	92 km	0.1 mi	0
Oct 26, 1984	EF1	5 km	0.3 mi	0
Mar 21, 1984	EF1	15 km	0.1 mi	0
Jul 1, 1983	EF1	58 km	2.0 mi	0
Apr 23, 1974	EF1	59 km	1.0 mi	0
Jun 23, 1969	EF1	90 km	1.0 mi	0
Aug 25, 1966	EF1	57 km	19.1 mi	0
Jun 2, 1961	EF1	95 km	0.1 mi	0
Jul 9, 1956	EF1	13 km	0.1 mi	0
May 27, 2023	EF0	78 km	5.0 mi	0
May 26, 2023	EF0	12 km	1.0 mi	0
May 27, 2022	EF0	36 km	3.8 mi	0
May 27, 2019	EF0	97 km	0.5 mi	0
May 26, 2013	EF0	63 km	3.9 mi	0
Aug 25, 2004	EF0	36 km	-	0
Aug 25, 2004	EF0	26 km	-	0

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

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Jordan Craters (100 km).

Name	Type	Elevation	Last Eruption	Distance
Jordan Craters	Volcanic field	1,473 m (4,833 ft)	-1250	100 km
Black Butte Crater Lava Field	Shield	1,478 m (4,849 ft)	-8400	172 km
Diamond Craters	Volcanic field	1,435 m (4,708 ft)	-5610	198 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: SODA (282,888 acres, 2015).

Year	Name	Acres Burned	Distance
2015	SODA	282,888	49 km
1992	FOOTHILLS	228,631	57 km
2016	PIONEER	189,596	88 km
2024	PADDOCK	186,842	59 km
1994	IDAHO CITY COMPLEX (RABBIT CREEK)	150,456	87 km
2013	PONY COMPLEX	148,188	66 km
2012	TRINITY RIDGE	141,807	82 km
2013	ELK COMPLEX	129,565	75 km
2000	JACKSON	80,733	87 km
2006	CHERRY	56,773	53 km
2006	RATTLESNAKE COMPLEX	48,330	90 km
2013	OWYHEE	48,001	63 km
1989	SMOKEY CREEK	47,682	88 km
2002	TRIMBLY CREEK	43,085	54 km
1986	BISSELL CK	40,847	46 km
1986	VAN DUSEN	39,901	47 km
2022	WILLOW CREEK	38,585	93 km
2016	CHERRY ROAD	35,219	67 km
2002	MAHOGANY COMPLEX (ATKINS BUTTE)	33,472	72 km
2000	OREGON TRAIL	31,575	82 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	33°F (1°C)	1.4 in	Wettest
February	36°F (2°C)	1.0 in
March	44°F (6°C)	1.3 in
April	50°F (10°C)	1.1 in
May	58°F (15°C)	1.1 in
June	66°F (19°C)	0.8 in
July	82°F (28°C)	0.3 in	Warmest, Driest
August	72°F (22°C)	0.4 in
September	62°F (17°C)	0.7 in
October	52°F (11°C)	0.8 in
November	40°F (4°C)	1.3 in
December	31°F (-1°C)	1.3 in	Coldest

Meridian has a seasonal temperature swing of 51°F / from 31°F in December to 82°F in July. Total annual precipitation is 11.5 inches, with January being the wettest month (1.4") and July the driest (0.3").

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