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Weather & Climate in Tununak, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tununak has a cool climate with an average annual temperature of 30°F (-1°C). Winters average 11°F in January while summers reach 51°F in July. The area gets 286 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 27.7 inches (drier than the 38-inch national average). The area receives 11.0 inches of snow annually. Air quality is rated Good with a median AQI of 21 / among the cleanest air in the country. The city sits at an elevation of 1,034 feet.
Temperature
11°F Jan (-12°C)
51°F Jul (11°C)
| Annual Average | 30.4°F |
| 44% below US avg | |
| January Average | 11°F (-12°C) |
| July Average | 51°F (11°C) |
| Sunny Days | 286 days/yr |
Geography
| Elevation | 1,034 ft (315 m) |
| Area | 60.3 sq mi (156.2 km²) |
| Population Density | 7/sq mi |
| Coordinates | 60.6073°N, 165.1273°W |
| Timezone | America/Anchorage |
| County | Kusilvak Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 509 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.9 / 100 |
| Social Vulnerability | 100.0 / 100 |
| Community Resilience | 5.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | No Rating |
| Hail | Very Low |
| Strong Wind | Very Low |
| 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)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.6.
| Jan 12, 2022 | 69 km SSW of Hooper Bay, Alaska | M2.6 | 103 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
1 tornado (EF0+) recorded within 100 km since 1950. Strongest on record: EF0.
| Date | Rating | Distance | Path | Fatalities |
| Jun 18, 2004 | EF0 | 90 km | — | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
3 wildfires (100+ acres) recorded within 100 km. Largest: INGAKSLUGWAT HILLS (69,482 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | INGAKSLUGWAT HILLS | 69,482 | 96 km |
| 2020 | MANOKINAK RIVER | 12,674 | 88 km |
| 2016 | AROPUK LAKE | 2,266 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 11°F (-12°C) | 1.3 in | Coldest |
| February | 13°F (-10°C) | 1.3 in | |
| March | 15°F (-9°C) | 1.3 in | |
| April | 24°F (-4°C) | 1.0 in | Driest |
| May | 36°F (2°C) | 1.6 in | |
| June | 46°F (8°C) | 2.4 in | |
| July | 51°F (11°C) | 2.7 in | Warmest |
| August | 51°F (11°C) | 5.3 in | Wettest |
| September | 45°F (7°C) | 4.7 in | |
| October | 33°F (1°C) | 2.5 in | |
| November | 24°F (-5°C) | 2.2 in | |
| December | 15°F (-9°C) | 1.5 in |
Tununak has a seasonal temperature swing of 40°F / from 11°F in January to 51°F in July. Total annual precipitation is 27.7 inches, with August being the wettest month (5.3") and April the driest (1.0").