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Weather & Climate in Anvik, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Anvik has a cool climate with an average annual temperature of 28°F (-2°C). Winters average -4°F in January while summers reach 59°F in July / a wide seasonal temperature swing of 63°F. The area gets 269 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 21.5 inches (drier than the 38-inch national average). 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 143 feet.
Temperature
-4°F Jan (-20°C)
59°F Jul (15°C)
| Annual Average | 27.9°F |
| 48% below US avg | |
| January Average | -4°F (-20°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 143 ft (44 m) |
| Area | 12.0 sq mi (31.0 km²) |
| Population Density | 9/sq mi |
| Coordinates | 62.6316°N, 160.2151°W |
| Timezone | America/Anchorage |
| County | Bethel Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 347 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.3 / 100 |
| Social Vulnerability | 100.0 / 100 |
| Community Resilience | 39.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | No Rating |
| Tsunami | Very Low |
| Volcano | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
21 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Jan 26, 1991 | 35 km SSW of Holy Cross, Alaska | M4.1 | 80 km | 10 km |
| Sep 18, 2024 | 19 km WSW of Unalakleet, Alaska | M4.0 | 140 km | 11 km |
| Apr 22, 2024 | 37 km ESE of Holy Cross, Alaska | M3.9 | 85 km | 13 km |
| Mar 6, 2014 | 13 km WSW of Aniak, Alaska | M3.9 | 122 km | 32 km |
| Apr 4, 2004 | 17 km SSW of Aniak, Alaska | M3.8 | 135 km | 19 km |
| Sep 29, 2016 | 45 km ENE of Holy Cross, Alaska | M3.7 | 75 km | 32 km |
| Aug 31, 2021 | 5 km S of Lower Kalskag, Alaska | M3.5 | 130 km | 13 km |
| Apr 22, 2009 | 3 km SE of Kalskag, Alaska | M3.4 | 124 km | 3 km |
| Jan 14, 1995 | 16 km ENE of Grayling, Alaska | M3.2 | 42 km | 10 km |
| Jan 15, 2009 | 18 km NE of Saint Michael, Alaska | M3.1 | 135 km | 23 km |
| Jul 31, 2009 | 23 km E of Shageluk, Alaska | M3.0 | 57 km | 27 km |
| May 8, 2011 | 85 km N of Crooked Creek, Alaska | M2.9 | 120 km | 10 km |
| Jul 7, 1996 | 66 km ESE of Unalakleet, Alaska | M2.9 | 118 km | 10 km |
| Apr 4, 1992 | 9 km ENE of Anvik, Alaska | M2.8 | 12 km | 10 km |
| Mar 1, 2024 | 26 km WSW of Holy Cross, Alaska | M2.8 | 58 km | 11 km |
| Mar 7, 2024 | 71 km N of Marshall, Alaska | M2.8 | 91 km | 15 km |
| Apr 13, 2008 | 27 km E of Kotlik, Alaska | M2.7 | 149 km | 19 km |
| Apr 16, 2024 | 6 km SW of Chuathbaluk, Alaska | M2.6 | 130 km | 15 km |
| Jun 17, 2019 | 18 km S of Willow Creek, Alaska | M2.6 | 140 km | 9 km |
| Jan 26, 2011 | 26 km S of Aniak, Alaska | M2.5 | 148 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: St. Michael (132 km).
| Name | Type | Elevation | Last Eruption | Distance |
| St. Michael | Shield(s) | 715 m (2,346 ft) | Unknown | 132 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: REINDEER (225,783 acres, 2002).
| Year | Name | Acres Burned | Distance |
| 2002 | REINDEER | 225,783 | 65 km |
| 2005 | SADDLE | 133,070 | 88 km |
| 2004 | BIG YETNA | 95,035 | 85 km |
| 2006 | NAGEETHLUK RIVER | 56,332 | 86 km |
| 2005 | YETNA | 51,550 | 87 km |
| 2015 | LOWER REINDEER PEAK | 47,611 | 98 km |
| 2015 | STUYAHOK RIVER | 45,239 | 51 km |
| 2005 | GRAYLING CREEK | 44,650 | 31 km |
| 2015 | OWHAT RIVER | 40,921 | 96 km |
| 2015 | SISTERS | 31,132 | 99 km |
| 1991 | CROSS | 20,614 | 85 km |
| 2016 | KUYUKUTUK RIVER | 20,099 | 83 km |
| 2017 | LITTLE YETNA RIVER | 17,846 | 82 km |
| 2009 | ALLMAN LAKE | 17,514 | 92 km |
| 2017 | TOIK HILL | 16,983 | 100 km |
| 2015 | HAWK RIVER | 15,566 | 49 km |
| 2015 | REINDEER RIVER | 15,423 | 90 km |
| 2016 | REINDEER RIVER | 8,526 | 79 km |
| 2015 | GOLSOVIA 3 | 7,772 | 87 km |
| 1991 | 132687 | 7,749 | 15 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -4°F (-20°C) | 0.8 in | Coldest |
| February | 4°F (-16°C) | 0.7 in | |
| March | 11°F (-12°C) | 0.7 in | |
| April | 25°F (-4°C) | 0.6 in | Driest |
| May | 42°F (6°C) | 0.8 in | |
| June | 54°F (12°C) | 1.4 in | |
| July | 59°F (15°C) | 2.2 in | Warmest |
| August | 54°F (12°C) | 3.4 in | Wettest |
| September | 46°F (8°C) | 2.5 in | |
| October | 29°F (-2°C) | 1.4 in | |
| November | 13°F (-11°C) | 1.0 in | |
| December | 3°F (-16°C) | 1.0 in |
Anvik has a seasonal temperature swing of 63°F / from -4°F in January to 59°F in July. Total annual precipitation is 16.4 inches, with August being the wettest month (3.4") and April the driest (0.6").