Weather & Climate in Riverside, ID

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

Riverside experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 71°F in July. The area gets 302 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 12.1 inches (drier than the 38-inch national average). The area receives 14.7 inches of snow annually. Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 4,458 feet.

Temperature

24°F Jan (-4°C) 71°F Jul (22°C)

Annual Average	47.2°F
	13% below US avg
January Average	24°F (-4°C)
July Average	71°F (22°C)
Sunny Days	302 days/yr

Geography

Elevation	4,458 ft (1,359 m)
Area	2.2 sq mi (5.6 km²)
Population Density	524/sq mi
Coordinates	43.1966°N, 112.4356°W
Timezone	America/Boise
County	Bingham County County
Nearest Airport	Pocatello Regional (PIH) 21 miles away

Precipitation & Snow

Annual Rainfall 12.1"

68% below US avg

Snowfall 14.7"

Wettest Month (May) 1.22"

Driest Month (Aug) 0.55"

Air Quality

AQI Median	33.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	60.2 / 100
Social Vulnerability	27.1 / 100
Community Resilience	28.0 / 100

Hazard Breakdown

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

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

Earthquake History

1,216 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Feb 3, 1994	4 km SSE of Auburn, Wyoming	M5.8	128 km	8 km
Sep 2, 2017	12 km E of Soda Springs, Idaho	M5.3	101 km	10 km
Apr 21, 2001	29 km WSW of Freedom, Idaho	M5.3	90 km	1 km
Sep 10, 2017	9 km NNW of Georgetown, Idaho	M5.0	109 km	10 km
Feb 11, 1994	3 km SSE of Auburn, Wyoming	M4.8	127 km	5 km
Feb 4, 1994	4 km WNW of Fairview, Wyoming	M4.7	127 km	5 km
Sep 11, 2017	9 km NW of Georgetown, Idaho	M4.7	109 km	8 km
Sep 3, 2017	15 km ESE of Soda Springs, Idaho	M4.7	105 km	10 km
Sep 3, 2017	10 km E of Soda Springs, Idaho	M4.7	100 km	8 km
Sep 10, 2017	12 km ESE of Soda Springs, Idaho	M4.7	102 km	5 km
Sep 6, 2017	11 km NNW of Georgetown, Idaho	M4.6	107 km	10 km
Feb 7, 1994	4 km SW of Fairview, Wyoming	M4.5	130 km	5 km
Sep 4, 2017	13 km ESE of Soda Springs, Idaho	M4.5	103 km	6 km
Jan 26, 2018	5 km NNW of Georgetown, Idaho	M4.4	113 km	10 km
Feb 3, 1994	13 km WSW of Auburn, Wyoming	M4.4	118 km	5 km
Nov 10, 1992	32 km WNW of Freedom, Idaho	M4.4	83 km	10 km
Feb 3, 1994	2 km SW of Auburn, Wyoming	M4.4	124 km	5 km
Feb 10, 1994	3 km WSW of Auburn, Wyoming	M4.4	122 km	5 km
Jun 20, 1998	8 km E of Hoback, Wyoming	M4.4	143 km	0 km
Feb 3, 1994	0 km NNE of Auburn, Wyoming	M4.4	125 km	5 km

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

Tornado History

85 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 5 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 17, 1990	EF2	56 km	4.0 mi	0
Apr 7, 1978	EF2	47 km	1.5 mi	0
Sep 26, 1959	EF2	89 km	1.0 mi	0
May 31, 2018	EF1	40 km	12.0 mi	0
Jun 1, 2002	EF1	61 km	2.5 mi	0
Feb 14, 2000	EF1	23 km	9.0 mi	0
Feb 14, 2000	EF1	31 km	12.0 mi	0
Feb 14, 2000	EF1	13 km	14.0 mi	0
Jul 20, 1999	EF1	37 km	2.5 mi	0
May 31, 1997	EF1	71 km	4.0 mi	0
Jun 11, 1993	EF1	63 km	10.0 mi	0
Jun 2, 1992	EF1	63 km	0.5 mi	0
May 21, 1992	EF1	95 km	0.2 mi	0
Jun 4, 1991	EF1	72 km	0.2 mi	0
Apr 17, 1988	EF1	56 km	2.0 mi	0
Apr 17, 1988	EF1	72 km	0.5 mi	0
Mar 23, 1988	EF1	64 km	15.0 mi	0
Jul 18, 1987	EF1	94 km	1.0 mi	0
Aug 24, 1986	EF1	67 km	0.5 mi	0
Apr 11, 1985	EF1	89 km	0.1 mi	0

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

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Hell's Half Acre (34 km).

Name	Type	Elevation	Last Eruption	Distance
Hell's Half Acre	Shield	1,631 m (5,351 ft)	-3250	34 km
Wapi Lava Field	Shield	1,604 m (5,262 ft)	-300	73 km
Craters of the Moon	Pyroclastic cone(s)	2,005 m (6,578 ft)	-130	90 km
Black Butte Crater Lava Field	Shield	1,478 m (4,849 ft)	-8400	155 km
Yellowstone	Caldera(s)	2,805 m (9,203 ft)	-1350	197 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: COXS WELL (219,424 acres, 1996).

Year	Name	Acres Burned	Distance
1996	COXS WELL	219,424	54 km
2006	CRYSTAL	218,581	60 km
1999	MULE BUTTE	138,102	70 km
2010	JEFFERSON	108,542	55 km
2019	SHEEP	107,233	53 km
2000	COFFEE POINT	73,480	33 km
2000	FLATTOP	56,792	58 km
2017	POWERLINE	54,378	57 km
2016	HENRYS CREEK	52,988	61 km
1999	CEDAR BUTTE	49,625	34 km
2011	T17	45,631	63 km
2005	RUPERT	45,361	91 km
1999	INEEL FIRE	43,547	57 km
2016	LAIDLAW	40,551	98 km
2000	COFFEE POINT NORTH	35,980	65 km
2008	NORTH MINIDOKA	32,363	90 km
2007	BEAR DEN BUTTE	29,749	90 km
1994	POINT WELL	27,608	85 km
1992	SAGEHEN	26,663	31 km
2017	WILDHORSE	25,861	54 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	24°F (-4°C)	0.9 in
February	27°F (-3°C)	0.9 in
March	36°F (2°C)	0.8 in
April	44°F (7°C)	1.0 in
May	53°F (12°C)	1.2 in	Wettest
June	61°F (16°C)	1.1 in
July	71°F (22°C)	0.6 in	Warmest
August	67°F (20°C)	0.6 in	Driest
September	58°F (14°C)	0.8 in
October	47°F (8°C)	0.8 in
November	33°F (1°C)	1.1 in
December	23°F (-5°C)	0.9 in	Coldest

Riverside has a seasonal temperature swing of 48°F / from 23°F in December to 71°F in July. Total annual precipitation is 10.8 inches, with May being the wettest month (1.2") and August the driest (0.6").

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