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Weather & Climate in Smiths Ferry, ID
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Smiths Ferry experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 27°F in January while summers reach 72°F in July. The area gets 276 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 22.5 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 4,543 feet.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 47.9°F |
| 11% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 276 days/yr |
Geography
| Elevation | 4,543 ft (1,385 m) |
| Area | 1.9 sq mi (4.8 km²) |
| Population Density | 29/sq mi |
| Coordinates | 44.2992°N, 116.0784°W |
| Timezone | America/Boise |
| County | Gem County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 34.5 / 100 |
| Social Vulnerability | 36.1 / 100 |
| Community Resilience | 29.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,517 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.
| Mar 31, 2020 | Stanley, Idaho | M6.5 | 79 km | 12 km |
| Feb 26, 2024 | 10 km N of Smiths Ferry, Idaho | M4.9 | 11 km | 12 km |
| Apr 1, 2020 | 21 km WNW of Stanley, Idaho | M4.8 | 73 km | 10 km |
| Apr 13, 2014 | 15 km NNW of Challis, Idaho | M4.8 | 143 km | 4 km |
| Jun 25, 2020 | 27 km NW of Stanley, Idaho | M4.6 | 72 km | 8 km |
| Apr 1, 2020 | 23 km NW of Stanley, Idaho | M4.4 | 73 km | 7 km |
| May 14, 2020 | 31 km NW of Stanley, Idaho | M4.4 | 70 km | 13 km |
| Apr 14, 2014 | 13 km NW of Challis, Idaho | M4.4 | 143 km | 7 km |
| May 21, 2020 | 26 km NW of Stanley, Idaho | M4.4 | 74 km | 6 km |
| Jan 28, 1995 | 33 km NNE of Stanley, Idaho | M4.3 | 105 km | 5 km |
| Feb 17, 1992 | 33 km NNE of Stanley, Idaho | M4.3 | 106 km | 5 km |
| Jun 14, 2020 | 10 km NW of Stanley, Idaho | M4.2 | 82 km | 8 km |
| Jun 9, 2020 | 11 km NW of Stanley, Idaho | M4.2 | 83 km | 10 km |
| Jan 27, 2025 | 26 km NW of Clayton, Idaho | M4.2 | 113 km | 9 km |
| Apr 11, 1995 | 20 km SSE of Yellow Pine, Idaho | M4.2 | 74 km | 5 km |
| Jul 10, 2020 | 18 km SW of Stanley, Idaho | M4.1 | 83 km | 10 km |
| Feb 18, 1993 | 34 km NNE of Stanley, Idaho | M4.1 | 103 km | 5 km |
| Apr 11, 2020 | 20 km NW of Stanley, Idaho | M4.1 | 75 km | 10 km |
| Apr 21, 2020 | 29 km NW of Stanley, Idaho | M4.1 | 72 km | 10 km |
| Feb 18, 1993 | 31 km NNE of Stanley, Idaho | M4.0 | 105 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
33 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 2006 | EF2 | 96 km | 12.0 mi | 0 |
| Apr 30, 1997 | EF1 | 94 km | 3.0 mi | 0 |
| May 17, 1996 | EF1 | 98 km | 0.3 mi | 0 |
| May 17, 1996 | EF1 | 71 km | 5.5 mi | 0 |
| Jun 19, 1991 | EF1 | 58 km | 0.1 mi | 0 |
| Jul 9, 1990 | EF1 | 71 km | 0.1 mi | 0 |
| Oct 26, 1984 | EF1 | 84 km | 0.3 mi | 0 |
| Mar 21, 1984 | EF1 | 94 km | 0.1 mi | 0 |
| Jul 1, 1983 | EF1 | 69 km | 2.0 mi | 0 |
| Aug 25, 1966 | EF1 | 99 km | 19.1 mi | 0 |
| Jun 27, 1958 | EF1 | 35 km | 5.0 mi | 0 |
| Jul 9, 1956 | EF1 | 75 km | 0.1 mi | 0 |
| May 26, 2023 | EF0 | 73 km | 1.0 mi | 0 |
| Aug 25, 2004 | EF0 | 67 km | — | 0 |
| Aug 25, 2004 | EF0 | 80 km | — | 0 |
| Apr 6, 2003 | EF0 | 89 km | 1.0 mi | 0 |
| Sep 29, 2002 | EF0 | 63 km | 1.0 mi | 0 |
| Feb 7, 2002 | EF0 | 58 km | 0.1 mi | 0 |
| Sep 13, 2001 | EF0 | 71 km | 1.0 mi | 0 |
| Dec 15, 2000 | EF0 | 89 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Jordan Craters (170 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 170 km |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: EAST ZONE COMPLEX (RAINES) (318,724 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | EAST ZONE COMPLEX (RAINES) | 318,724 | 94 km |
| 2007 | CASCADE COMPLEX (MONUMENTAL) | 317,157 | 65 km |
| 1992 | FOOTHILLS | 228,631 | 92 km |
| 2012 | HALSTEAD | 190,156 | 89 km |
| 2016 | PIONEER | 189,596 | 43 km |
| 2024 | PADDOCK | 186,842 | 39 km |
| 1994 | IDAHO CITY COMPLEX (RABBIT CREEK) | 150,456 | 67 km |
| 2012 | TRINITY RIDGE | 141,807 | 85 km |
| 1994 | CORRAL CREEK-BLACKWELL COMPLEX | 140,101 | 95 km |
| 2020 | WOODHEAD | 98,995 | 74 km |
| 2021 | BOUNDARY | 97,995 | 79 km |
| 2000 | JACKSON | 80,733 | 90 km |
| 1987 | DEADWOOD | 57,051 | 57 km |
| 2006 | CHERRY | 56,773 | 34 km |
| 2000 | SALMON CHALLIS WILDERNESS COMPLEX (LITTLE PISTOL) | 53,790 | 86 km |
| 2006 | FOSTER GULCH | 52,496 | 95 km |
| 2006 | RATTLESNAKE COMPLEX | 48,330 | 24 km |
| 1989 | SMOKEY CREEK | 47,682 | 50 km |
| 1986 | BISSELL CK | 40,847 | 55 km |
| 1986 | VAN DUSEN | 39,901 | 41 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.1 in | |
| February | 26°F (-3°C) | 2.3 in | |
| March | 31°F (-0°C) | 2.2 in | |
| April | 38°F (3°C) | 1.8 in | |
| May | 46°F (8°C) | 1.6 in | |
| June | 53°F (12°C) | 1.7 in | |
| July | 72°F (22°C) | 0.6 in | Warmest, Driest |
| August | 61°F (16°C) | 0.9 in | |
| September | 52°F (11°C) | 1.2 in | |
| October | 44°F (6°C) | 1.6 in | |
| November | 31°F (-0°C) | 2.8 in | |
| December | 23°F (-5°C) | 3.2 in | Coldest, Wettest |
Smiths Ferry has a seasonal temperature swing of 49°F / from 23°F in December to 72°F in July. Total annual precipitation is 23.0 inches, with December being the wettest month (3.2") and July the driest (0.6").