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Weather & Climate in Murphy, ID
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Murphy experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 30°F in January while summers reach 70°F in July. The area gets 310 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 9.9 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 2,878 feet.
Temperature
30°F Jan (-1°C)
70°F Jul (21°C)
| Annual Average | 47.8°F |
| 11% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 70°F (21°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 2,878 ft (877 m) |
| Area | 1.5 sq mi (3.8 km²) |
| Population Density | 47/sq mi |
| Coordinates | 43.2121°N, 116.5485°W |
| Timezone | America/Boise |
| County | Ada County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 29 miles away |
Precipitation & Snow
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
85 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Feb 26, 2024 | 10 km N of Smiths Ferry, Idaho | M4.9 | 136 km | 12 km |
| Oct 4, 2002 | 15 km W of Cascade, Idaho | M3.8 | 146 km | 5 km |
| Sep 14, 2000 | 4 km W of Smiths Ferry, Idaho | M3.7 | 125 km | 7 km |
| Apr 6, 1995 | 11 km N of Smiths Ferry, Idaho | M3.7 | 137 km | 5 km |
| Mar 5, 2024 | 8 km N of Smiths Ferry, Idaho | M3.5 | 135 km | 10 km |
| Mar 12, 2024 | 8 km NNW of Smiths Ferry, Idaho | M3.5 | 133 km | 16 km |
| Apr 24, 2007 | 12 km WSW of Cascade, Idaho | M3.5 | 142 km | 5 km |
| Nov 4, 2002 | 37 km NE of Mountain Home, Idaho | M3.5 | 93 km | 5 km |
| Aug 3, 2002 | 8 km NNW of Smiths Ferry, Idaho | M3.5 | 133 km | 5 km |
| Mar 17, 1995 | 5 km S of Cascade, Idaho | M3.5 | 145 km | 5 km |
| Mar 1, 2024 | 8 km N of Smiths Ferry, Idaho | M3.5 | 134 km | 10 km |
| Oct 4, 2002 | 20 km WSW of Cascade, Idaho | M3.4 | 141 km | 5 km |
| Oct 4, 2002 | 15 km W of Cascade, Idaho | M3.4 | 145 km | 5 km |
| Apr 6, 2024 | 9 km NNW of Smiths Ferry, Idaho | M3.4 | 134 km | 14 km |
| May 23, 2013 | 55 km E of McDermitt, Nevada | M3.3 | 142 km | 0 km |
| Mar 10, 2024 | 8 km NW of Smiths Ferry, Idaho | M3.3 | 132 km | 10 km |
| Mar 22, 1995 | 22 km NNE of Lowman, Idaho | M3.3 | 143 km | 5 km |
| Jul 25, 2009 | 10 km NW of Brogan, Oregon | M3.2 | 149 km | 7 km |
| Jul 2, 2010 | 29 km NNE of Lowman, Idaho | M3.2 | 150 km | 5 km |
| Sep 5, 2000 | 30 km N of Lowman, Idaho | M3.2 | 146 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
37 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF1. Total: 1 injury.
| Date | Rating | Distance | Path | Fatalities |
| Apr 30, 1997 | EF1 | 99 km | 3.0 mi | 0 |
| May 17, 1996 | EF1 | 76 km | 0.3 mi | 0 |
| Jun 19, 1991 | EF1 | 73 km | 0.1 mi | 0 |
| Oct 26, 1984 | EF1 | 42 km | 0.3 mi | 0 |
| Mar 21, 1984 | EF1 | 33 km | 0.1 mi | 0 |
| Jul 1, 1983 | EF1 | 93 km | 2.0 mi | 0 |
| Apr 23, 1974 | EF1 | 76 km | 1.0 mi | 0 |
| Jun 23, 1969 | EF1 | 50 km | 1.0 mi | 0 |
| Aug 25, 1966 | EF1 | 75 km | 19.1 mi | 0 |
| Jul 9, 1956 | EF1 | 54 km | 0.1 mi | 0 |
| May 27, 2023 | EF0 | 47 km | 5.0 mi | 0 |
| May 26, 2023 | EF0 | 56 km | 1.0 mi | 0 |
| May 27, 2022 | EF0 | 28 km | 3.8 mi | 0 |
| May 27, 2019 | EF0 | 93 km | 0.5 mi | 0 |
| May 26, 2013 | EF0 | 54 km | 3.9 mi | 0 |
| Aug 25, 2004 | EF0 | 59 km | — | 0 |
| Aug 25, 2004 | EF0 | 74 km | — | 0 |
| Apr 6, 2003 | EF0 | 41 km | 1.0 mi | 0 |
| Sep 29, 2002 | EF0 | 73 km | 1.0 mi | 0 |
| Feb 7, 2002 | EF0 | 73 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Jordan Craters (74 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 74 km |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 178 km |
| Diamond Craters | Volcanic field | 1,435 m (4,708 ft) | -5610 | 179 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 | 28 km |
| 1992 | FOOTHILLS | 228,631 | 76 km |
| 2013 | PONY COMPLEX | 148,188 | 75 km |
| 2013 | ELK COMPLEX | 129,565 | 91 km |
| 2024 | HOLE IN THE GROUND | 98,055 | 78 km |
| 1987 | BROWNS CRK | 66,024 | 96 km |
| 2011 | BIG HILL | 65,416 | 97 km |
| 1986 | BOGUS CR | 65,309 | 84 km |
| 2006 | CHERRY | 56,773 | 98 km |
| 1996 | BOGUS CREEK | 56,721 | 84 km |
| 2013 | OWYHEE | 48,001 | 69 km |
| 2012 | JACKS | 47,219 | 78 km |
| 1984 | BIG DRAW 2 | 45,805 | 82 km |
| 2002 | TRIMBLY CREEK | 43,085 | 49 km |
| 1986 | BISSELL CK | 40,847 | 87 km |
| 1986 | VAN DUSEN | 39,901 | 92 km |
| 2012 | EAST ROCK | 39,774 | 98 km |
| 2017 | LOVERIDGE | 39,630 | 84 km |
| 2016 | CHERRY ROAD | 35,219 | 68 km |
| 2002 | MAHOGANY COMPLEX (ATKINS BUTTE) | 33,472 | 58 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.0 in | Coldest |
| February | 36°F (2°C) | 0.7 in | |
| March | 43°F (6°C) | 0.9 in | |
| April | 50°F (10°C) | 1.0 in | |
| May | 58°F (15°C) | 1.0 in | |
| June | 67°F (19°C) | 0.9 in | |
| July | 70°F (21°C) | 0.3 in | Driest |
| August | 74°F (23°C) | 0.4 in | Warmest |
| September | 64°F (18°C) | 0.6 in | |
| October | 52°F (11°C) | 0.6 in | |
| November | 40°F (4°C) | 1.0 in | Wettest |
| December | 31°F (-1°C) | 0.9 in |
Murphy has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in August. Total annual precipitation is 9.4 inches, with November being the wettest month (1.0") and July the driest (0.3").