Bruneau, ID
Full City Profile · Idaho · Owyhee County County
2.7
/5.0
C+
Fair
36
Population
22/sq mi density
55°F
Avg Temperature
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Education
2.7 / 5.0
21.7% bachelor's degree or higher
Bruneau experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 35°F in January while summers reach 78°F in July. Annual precipitation totals 7.4 inches.
Temperature
35°F Jan (2°C)
78°F Jul (26°C)
| Annual Average | 55.2°F |
| 2% above US avg | |
| January Average | 35°F (2°C) |
| July Average | 78°F (26°C) |
Geography
| Elevation | 2,505 ft (764 m) |
| Area | 1.6 sq mi (4.2 km²) |
| Population Density | 22/sq mi |
| Coordinates | 42.8728°N, 115.7952°W |
| Timezone | America/Boise |
| County | Owyhee County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 52 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.1 / 100 |
| Social Vulnerability | 86.2 / 100 |
| Community Resilience | 1.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| 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)
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Black Butte Crater Lava Field (122 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Black Butte Crater Lava Field | Shield | 1,478 m (4,849 ft) | -8400 | 122 km |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 139 km |
| Craters of the Moon | Pyroclastic cone(s) | 2,005 m (6,578 ft) | -130 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 35°F (2°C) | 1.0 in | |
| February | 40°F (5°C) | 0.5 in | |
| March | 48°F (9°C) | 0.7 in | |
| April | 54°F (12°C) | 0.7 in | |
| May | 62°F (17°C) | 1.2 in | Wettest |
| June | 70°F (21°C) | 0.6 in | |
| July | 78°F (26°C) | 0.1 in | Warmest |
| August | 76°F (25°C) | 0.1 in | Driest |
| September | 67°F (19°C) | 0.3 in | |
| October | 55°F (13°C) | 0.6 in | |
| November | 43°F (6°C) | 0.6 in | |
| December | 35°F (2°C) | 1.0 in | Coldest |
Bruneau has a seasonal temperature swing of 43°F / from 35°F in December to 78°F in July. Total annual precipitation is 7.4 inches, with May being the wettest month (1.2") and August the driest (0.1").