Melba, ID
Full City Profile · Idaho · Ada County County
2.9
/5.0
C+
Fair
624
Population
1,357/sq mi density
$53,500
Median Income
$23,100 per capita
$306,000
Home Value
$684,252 Zillow
$993
Median Rent
34.5% income on rent
48°F
Avg Temperature
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$53,500 median income, 1.0% unemployment
B
Affordability
3.4 / 5.0
$306,000 home value, $993/mo rent
D
Education
1.7 / 5.0
8.3% bachelor's degree or higher
Melba experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 31°F in January while summers reach 71°F in July. Annual precipitation totals 11.3 inches. The area receives 17.6 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
31°F Jan (-1°C)
71°F Jul (22°C)
| Annual Average | 48.4°F |
| 10% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 71°F (22°C) |
Geography
| Elevation | 2,656 ft (810 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 1,357/sq mi |
| Coordinates | 43.3736°N, 116.5319°W |
| Timezone | America/Boise |
| County | Ada County County |
| Nearest Airport | Boise Air Trml/Gowen Field (BOI) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 62.8% |
| Unhealthy Days | 35 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0490 ppm |
| NO₂ (Nitrogen Dioxide) | 15.0 ppb |
| SO₂ (Sulfur Dioxide) | 0.29 ppb |
| CO (Carbon Monoxide) | 0.19 ppm |
| PM2.5 (Fine Particles) | 5.8 μg/m³ |
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)
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Jordan Craters (79 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Jordan Craters | Volcanic field | 1,473 m (4,833 ft) | -1250 | 79 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 | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.2 in | |
| February | 34°F (1°C) | 0.8 in | |
| March | 41°F (5°C) | 1.1 in | |
| April | 46°F (8°C) | 1.0 in | |
| May | 54°F (12°C) | 1.4 in | Wettest |
| June | 62°F (16°C) | 1.1 in | |
| July | 71°F (22°C) | 0.3 in | Warmest |
| August | 70°F (21°C) | 0.3 in | Driest |
| September | 60°F (16°C) | 0.6 in | |
| October | 48°F (9°C) | 0.7 in | |
| November | 36°F (2°C) | 1.3 in | |
| December | 29°F (-1°C) | 1.4 in | Coldest |
Melba has a seasonal temperature swing of 42°F / from 29°F in December to 71°F in July. Total annual precipitation is 11.3 inches, with May being the wettest month (1.4") and August the driest (0.3").