All Countries
Weather & Climate in Atka, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Atka has a cool climate with an average annual temperature of 40°F (4°C). Winters average 34°F in January while summers reach 47°F in July / relatively mild seasonal variation. The area gets 253 sunny days per year, above the national average. Annual precipitation totals 45.7 inches. The area receives 19.4 inches of snow annually, a moderate snowfall amount. 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 312 feet.
Temperature
34°F Jan (1°C)
47°F Jul (9°C)
| Annual Average | 39.5°F |
| 27% below US avg | |
| January Average | 34°F (1°C) |
| July Average | 47°F (9°C) |
| Sunny Days | 253 days/yr |
Geography
| Elevation | 312 ft (95 m) |
| Area | 36.1 sq mi (93.6 km²) |
| Population Density | 3/sq mi |
| Coordinates | 52.2115°N, 174.2135°W |
| Timezone | America/Anchorage |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 1,098 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Earthquake History
6,419 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| Aug 30, 2013 | 101 km SW of Atka, Alaska | M7.0 | 102 km | 29 km |
| Sep 3, 2010 | 70 km SE of Adak, Alaska | M6.5 | 142 km | 24 km |
| Sep 4, 2013 | 81 km SSW of Atka, Alaska | M6.5 | 82 km | 20 km |
| Oct 8, 2010 | 104 km ESE of Adak, Alaska | M6.4 | 122 km | 19 km |
| Mar 12, 1990 | 97 km SW of Atka, Alaska | M6.4 | 99 km | 14 km |
| Mar 12, 2016 | 72 km SSE of Atka, Alaska | M6.3 | 74 km | 19 km |
| Sep 14, 1998 | 96 km SE of Atka, Alaska | M6.1 | 98 km | 33 km |
| Sep 15, 2013 | 77 km SSW of Atka, Alaska | M6.1 | 79 km | 24 km |
| Sep 4, 2013 | 82 km SSW of Atka, Alaska | M6.0 | 84 km | 17 km |
| Oct 8, 2010 | 120 km ESE of Adak, Alaska | M6.0 | 123 km | 28 km |
| Jul 13, 2007 | 24 km E of Adak, Alaska | M6.0 | 147 km | 35 km |
| Aug 31, 2013 | 118 km SSW of Atka, Alaska | M6.0 | 119 km | 18 km |
| Mar 19, 2016 | 75 km S of Atka, Alaska | M6.0 | 78 km | 17 km |
| Mar 17, 2002 | 103 km SE of Atka, Alaska | M5.9 | 105 km | 33 km |
| Mar 14, 2002 | 106 km SE of Atka, Alaska | M5.9 | 108 km | 33 km |
| Sep 14, 2013 | 89 km SSW of Atka, Alaska | M5.9 | 91 km | 20 km |
| Jun 24, 1992 | 93 km SSE of Atka, Alaska | M5.9 | 95 km | 33 km |
| Sep 4, 2013 | 90 km SSW of Atka, Alaska | M5.8 | 92 km | 27 km |
| Jan 2, 2000 | 88 km ESE of Adak, Alaska | M5.8 | 126 km | 33 km |
| Oct 30, 1995 | 76 km SE of Atka, Alaska | M5.8 | 79 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 32.0 m (105 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1957 | ANDREANOF ISLANDS, AK | Earthquake | 32.0 m | 2 | 125 km |
| 1986 | ANDREANOF ISLANDS, AK | Earthquake | 0.9 m | — | 86 km |
| 2008 | KASATOCHI VOLCANO, ALEUTIAN IS, AK | Astronomical | 0.2 m | — | 88 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Atka (14 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Atka | Stratovolcano(es) | 1,448 m (4,751 ft) | 1812 | 14 km |
| Korovin | Stratovolcano(es) | 1,518 m (4,980 ft) | 2007 | 19 km |
| Seguam | Stratovolcano(es) | 1,054 m (3,458 ft) | 1993 | 117 km |
| Moffett | Stratovolcano | 1,196 m (3,924 ft) | -1600 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.9 in | |
| February | 34°F (1°C) | 3.9 in | |
| March | 33°F (0°C) | 3.6 in | Coldest |
| April | 35°F (2°C) | 3.3 in | |
| May | 38°F (3°C) | 3.0 in | |
| June | 43°F (6°C) | 2.2 in | Driest |
| July | 47°F (9°C) | 2.2 in | |
| August | 50°F (10°C) | 3.2 in | Warmest |
| September | 47°F (8°C) | 4.2 in | |
| October | 41°F (5°C) | 6.0 in | Wettest |
| November | 38°F (3°C) | 5.5 in | |
| December | 35°F (2°C) | 4.7 in |
Atka has a seasonal temperature swing of 17°F / from 33°F in March to 50°F in August. Total annual precipitation is 45.7 inches, with October being the wettest month (6.0") and June the driest (2.2").