Koyukuk, AK
Full City Profile · Alaska · Northwest Arctic Borough County
3.6
/5.0
B+
Good
44
Population
8/sq mi density
$28,250
Median Income
$22,730 per capita
$110,000
Home Value
$435,931 Zillow
26°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$28,250 median income, 0.0% unemployment
A
Affordability
4.5 / 5.0
$110,000 home value, /mo rent
C+
Education
2.8 / 5.0
22.5% bachelor's degree or higher
Koyukuk has a cool climate with an average annual temperature of 26°F (-3°C). Winters average -10°F in January while summers reach 60°F in July. Annual precipitation totals 13.9 inches. The area receives 77.2 inches of snow annually.
Temperature
-10°F Jan (-23°C)
60°F Jul (16°C)
| Annual Average | 26.0°F |
| 52% below US avg | |
| January Average | -10°F (-23°C) |
| July Average | 60°F (16°C) |
Geography
| Elevation | 322 ft (98 m) |
| Area | 5.8 sq mi (14.9 km²) |
| Population Density | 8/sq mi |
| Coordinates | 64.9021°N, 157.6935°W |
| Timezone | America/Anchorage |
| County | Northwest Arctic Borough County |
| Nearest Airport | Fairbanks International (FAI) 289 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 54.6 / 100 |
| Social Vulnerability | 99.8 / 100 |
| Community Resilience | 5.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | No Rating |
| Strong Wind | No Rating |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -10°F (-23°C) | 0.6 in | Coldest |
| February | -0°F (-18°C) | 0.8 in | |
| March | 7°F (-14°C) | 0.6 in | |
| April | 27°F (-3°C) | 0.3 in | Driest |
| May | 46°F (8°C) | 0.4 in | |
| June | 58°F (14°C) | 1.6 in | |
| July | 60°F (16°C) | 2.0 in | Warmest |
| August | 54°F (12°C) | 2.5 in | Wettest |
| September | 44°F (6°C) | 1.8 in | |
| October | 26°F (-4°C) | 1.2 in | |
| November | 6°F (-15°C) | 1.2 in | |
| December | -4°F (-20°C) | 1.0 in |
Koyukuk has a seasonal temperature swing of 70°F / from -10°F in January to 60°F in July. Total annual precipitation is 13.9 inches, with August being the wettest month (2.5") and April the driest (0.3").