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Weather & Climate in Attu Station, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Attu Station has a cool climate with an average annual temperature of 38°F (3°C). Winters average 30°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 271 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 35.8 inches. The area receives 17.0 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 37 feet.
Temperature
30°F Jan (-1°C)
48°F Jul (9°C)
| Annual Average | 38.1°F |
| 29% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 37 ft (11 m) |
| Area | 143.6 sq mi (372.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 52.8802°N, 173.2561°W |
| Timezone | America/Anchorage |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 1,471 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Earthquake History
445 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.2.
| Sep 19, 2004 | 91 km SE of Attu Station, Alaska | M6.2 | 91 km | 25 km |
| Mar 27, 2017 | 63 km W of Attu Station, Alaska | M6.2 | 68 km | 20 km |
| Sep 14, 2011 | 32 km NNW of Attu Station, Alaska | M6.0 | 31 km | 15 km |
| Dec 15, 2012 | 83 km SE of Attu Station, Alaska | M6.0 | 83 km | 26 km |
| Jun 19, 2012 | 119 km WNW of Attu Station, Alaska | M6.0 | 121 km | 14 km |
| Nov 13, 1999 | 131 km WNW of Attu Station, Alaska | M5.9 | 133 km | 33 km |
| Oct 4, 1995 | 54 km WSW of Attu Station, Alaska | M5.9 | 60 km | 27 km |
| Feb 7, 1991 | 146 km SSE of Attu Station, Alaska | M5.7 | 147 km | 34 km |
| Jun 19, 2012 | 114 km WNW of Attu Station, Alaska | M5.6 | 116 km | 12 km |
| Sep 9, 2012 | 123 km E of Attu Station, Alaska | M5.5 | 118 km | 116 km |
| Aug 20, 2014 | 152 km ESE of Attu Station, Alaska | M5.5 | 149 km | 5 km |
| Jan 7, 2006 | Near Islands, Aleutian Islands, Alaska | M5.5 | 57 km | 31 km |
| Nov 15, 2012 | 40 km SSE of Attu Station, Alaska | M5.5 | 43 km | 28 km |
| May 31, 2002 | 93 km W of Attu Station, Alaska | M5.5 | 99 km | 33 km |
| Apr 2, 2025 | 46 km NNW of Attu Station, Alaska | M5.5 | 45 km | 14 km |
| Aug 5, 1994 | 89 km SE of Attu Station, Alaska | M5.5 | 89 km | 33 km |
| Jul 17, 2017 | 139 km W of Attu Station, Alaska | M5.4 | 144 km | 10 km |
| Sep 25, 2013 | 127 km W of Attu Station, Alaska | M5.4 | 131 km | 23 km |
| Oct 1, 2011 | 139 km SSW of Attu Station, Alaska | M5.3 | 145 km | 10 km |
| Mar 23, 2010 | 83 km W of Attu Station, Alaska | M5.3 | 87 km | 15 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Buldir (189 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Buldir | Stratovolcano | 656 m (2,152 ft) | Unknown | 189 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.7 in | |
| February | 30°F (-1°C) | 2.2 in | Coldest |
| March | 31°F (-1°C) | 2.4 in | |
| April | 34°F (1°C) | 2.4 in | |
| May | 38°F (3°C) | 2.1 in | |
| June | 43°F (6°C) | 1.8 in | Driest |
| July | 48°F (9°C) | 2.8 in | |
| August | 50°F (10°C) | 3.9 in | Warmest |
| September | 47°F (8°C) | 3.5 in | |
| October | 41°F (5°C) | 4.7 in | Wettest |
| November | 35°F (2°C) | 4.2 in | |
| December | 32°F (-0°C) | 3.2 in |
Attu Station has a seasonal temperature swing of 20°F / from 30°F in February to 50°F in August. Total annual precipitation is 35.8 inches, with October being the wettest month (4.7") and June the driest (1.8").