Port Graham, AK
Full City Profile · Alaska · Kenai Peninsula Borough County
3.3
/5.0
B
Good
125
Population
20/sq mi density
$88,750
Median Income
$28,414 per capita
$583
Median Rent
17.5% income on rent
40°F
Avg Temperature
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$88,750 median income, 4.1% unemployment
A+
Affordability
5.0 / 5.0
F
Education
1.3 / 5.0
4.3% bachelor's degree or higher
Port Graham has a cool climate with an average annual temperature of 40°F (4°C). Winters average 26°F in January while summers reach 55°F in July. Annual precipitation totals 40.4 inches. The area receives 100.6 inches of snow annually.
Temperature
26°F Jan (-3°C)
55°F Jul (13°C)
| Annual Average | 39.5°F |
| 27% below US avg | |
| January Average | 26°F (-3°C) |
| July Average | 55°F (13°C) |
Geography
| Elevation | 654 ft (199 m) |
| Area | 6.4 sq mi (16.6 km²) |
| Population Density | 20/sq mi |
| Coordinates | 59.3398°N, 151.8465°W |
| Timezone | America/Anchorage |
| County | Kenai Peninsula Borough County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 142 miles away |
Precipitation & Snow
Air Quality
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
3 tsunamis recorded within 500 km. Highest wave on record: 60.0 m (197 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1967 | GREWINGK, AK | Meteorological | 60.0 m | - | 52 km |
| 2024 | PEDERSEN LAGOON, AK | Meteorological | 17.0 m | - | 130 km |
| 1883 | COOK INLET, AK | Explosion | 9.1 m | 8 | 88 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Augustine (90 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Augustine | Lava dome(s) | 1,252 m (4,108 ft) | 2006 | 90 km |
| Iliamna | Stratovolcano | 3,053 m (10,016 ft) | 1876 | 104 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-3°C) | 3.9 in | Coldest |
| February | 28°F (-2°C) | 3.7 in | |
| March | 30°F (-1°C) | 3.2 in | |
| April | 37°F (3°C) | 2.8 in | |
| May | 44°F (7°C) | 1.2 in | Driest |
| June | 51°F (11°C) | 1.2 in | |
| July | 55°F (13°C) | 1.6 in | Warmest |
| August | 55°F (13°C) | 2.7 in | |
| September | 49°F (9°C) | 4.1 in | |
| October | 40°F (4°C) | 4.6 in | |
| November | 32°F (-0°C) | 4.8 in | |
| December | 28°F (-2°C) | 6.7 in | Wettest |
Port Graham has a seasonal temperature swing of 30°F / from 26°F in January to 55°F in July. Total annual precipitation is 40.4 inches, with December being the wettest month (6.7") and May the driest (1.2").