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Iliamna, AK
Full City Profile · Alaska · Kenai Peninsula Borough County
3.5
/5.0
B+
Good
45
Population
1/sq mi density
$73,750
Median Income
$49,967 per capita
$281,300
Home Value
$435,931 Zillow
38°F
Avg Temperature
269 sunny days/yr
647
Violent Crime/100K
4,157 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$73,750 median income, 5.1% unemployment
A+
Affordability
4.5 / 5.0
$281,300 home value, /mo rent
F
Safety
1.0 / 5.0
647 violent crimes/100K (70% above avg)
A+
Education
4.8 / 5.0
47.4% bachelor's degree or higher
Iliamna has a cool climate with an average annual temperature of 38°F (3°C). Winters average 18°F in January while summers reach 58°F in July. The area gets 269 sunny days per year. Annual precipitation totals 25.0 inches. Air quality is rated Good with a median AQI of 21.
Temperature
18°F Jan (-8°C)
58°F Jul (14°C)
| Annual Average | 37.7°F |
| 30% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 229 ft (70 m) |
| Area | 37.2 sq mi (96.4 km²) |
| Population Density | 1/sq mi |
| Coordinates | 59.7783°N, 154.8838°W |
| Timezone | America/Anchorage |
| County | Kenai Peninsula Borough County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 192 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.0 / 100 |
| Social Vulnerability | 47.1 / 100 |
| Community Resilience | 6.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | No Rating |
| Winter Weather | Relatively High |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Coastal Flood | Very Low |
| Tsunami | Relatively Moderate |
| Volcano | Relatively Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 9.1 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1883 | COOK INLET, AK | Explosion | 9.1 m | 8 | 94 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Augustine (94 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Augustine | Lava dome(s) | 1,252 m (4,108 ft) | 2006 | 94 km |
| Iliamna | Stratovolcano | 3,053 m (10,016 ft) | 1876 | 104 km |
| Katmai | Stratovolcano | 2,047 m (6,716 ft) | 1912 | 167 km |
| Trident | Stratovolcano | 1,864 m (6,115 ft) | 1974 | 172 km |
| Martin | Stratovolcano | 1,863 m (6,112 ft) | 1953 | 181 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 1.5 in | |
| February | 18°F (-8°C) | 1.2 in | Coldest, Driest |
| March | 24°F (-5°C) | 1.4 in | |
| April | 33°F (0°C) | 1.3 in | |
| May | 44°F (7°C) | 1.5 in | |
| June | 52°F (11°C) | 1.9 in | |
| July | 58°F (14°C) | 2.7 in | Warmest |
| August | 55°F (13°C) | 4.5 in | Wettest |
| September | 48°F (9°C) | 4.3 in | |
| October | 35°F (2°C) | 3.1 in | |
| November | 25°F (-4°C) | 2.1 in | |
| December | 20°F (-7°C) | 1.9 in |
Iliamna has a seasonal temperature swing of 40°F / from 18°F in February to 58°F in July. Total annual precipitation is 27.3 inches, with August being the wettest month (4.5") and February the driest (1.2").