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Weather & Climate in Cold Bay, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Cold Bay has a cool climate with an average annual temperature of 39°F (4°C). Winters average 28°F in January while summers reach 52°F in July. The area gets 233 sunny days per year, above the national average. Annual precipitation totals 42.7 inches. The area receives 67.3 inches of snow annually, making winter weather a significant factor for residents. 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 122 feet.
Temperature
28°F Jan (-2°C)
52°F Jul (11°C)
| Annual Average | 39.3°F |
| 27% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 52°F (11°C) |
| Sunny Days | 233 days/yr |
Geography
| Elevation | 122 ft (37 m) |
| Area | 71.7 sq mi (185.6 km²) |
| Population Density | 3/sq mi |
| Coordinates | 55.2155°N, 162.7755°W |
| Timezone | America/Anchorage |
| County | Aleutians East Borough County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 619 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 21.3 / 100 |
| Social Vulnerability | 99.9 / 100 |
| Community Resilience | 0.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | No Rating |
| Hail | No Rating |
| Strong Wind | No Rating |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Coastal Flood | No Rating |
| Tsunami | Relatively Low |
| Volcano | Relatively High |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
4,586 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.0.
| May 30, 1991 | 71 km SE of King Cove, Alaska | M7.0 | 104 km | 28 km |
| May 13, 1993 | 17 km S of Sand Point, Alaska | M6.9 | 147 km | 32 km |
| Nov 19, 1993 | 79 km SW of False Pass, Alaska | M6.5 | 136 km | 30 km |
| Oct 13, 1999 | 85 km ESE of King Cove, Alaska | M6.4 | 119 km | 30 km |
| Mar 14, 1995 | 70 km ESE of King Cove, Alaska | M6.2 | 104 km | 35 km |
| May 25, 1993 | 35 km S of Sand Point, Alaska | M6.2 | 146 km | 37 km |
| Jul 16, 2011 | 72 km ESE of King Cove, Alaska | M6.1 | 106 km | 36 km |
| Jul 28, 2020 | 75 km SW of Sand Point, Alaska | M6.1 | 111 km | 35 km |
| Feb 2, 2011 | 40 km S of Sand Point, Alaska | M5.9 | 149 km | 35 km |
| Jul 20, 1991 | 69 km SE of King Cove, Alaska | M5.9 | 102 km | 33 km |
| Jul 16, 2023 | 81 km SSW of Sand Point, Alaska | M5.8 | 141 km | 35 km |
| May 5, 2011 | 37 km SSW of Sand Point, Alaska | M5.8 | 135 km | 36 km |
| Jan 3, 1998 | 85 km SW of False Pass, Alaska | M5.8 | 142 km | 10 km |
| Jul 23, 2011 | 82 km SSW of Sand Point, Alaska | M5.7 | 119 km | 23 km |
| Apr 16, 2010 | 100 km SSW of Sand Point, Alaska | M5.7 | 138 km | 34 km |
| May 5, 2011 | 27 km S of Sand Point, Alaska | M5.7 | 143 km | 39 km |
| Jan 23, 1993 | 78 km SE of King Cove, Alaska | M5.6 | 110 km | 23 km |
| Jun 4, 2004 | 52 km SSW of False Pass, Alaska | M5.6 | 108 km | 73 km |
| May 2, 2009 | 78 km SE of King Cove, Alaska | M5.6 | 111 km | 9 km |
| Dec 20, 2001 | 94 km SE of False Pass, Alaska | M5.6 | 117 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 88.0 m (289 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1788 | SHUMAGIN ISLANDS, AK | Earthquake | 88.0 m | — | 115 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
7 volcanoes within 200 km. Closest: Frosty (17 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Frosty | Stratovolcano(es) | 1,728 m (5,669 ft) | Unknown | 17 km |
| Amak | Stratovolcano | 488 m (1,601 ft) | 1796 | 33 km |
| Emmons Lake | Caldera | 1,436 m (4,711 ft) | Unknown | 47 km |
| Pavlof | Stratovolcano | 2,493 m (8,179 ft) | 2016 | 60 km |
| Shishaldin | Stratovolcano | 2,857 m (9,373 ft) | 2020 | 92 km |
| Fisher | Stratovolcano | 1,112 m (3,648 ft) | 1830 | 123 km |
| Westdahl | Stratovolcano? | 1,563 m (5,128 ft) | 1992 | 143 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 3.0 in | |
| February | 27°F (-3°C) | 2.7 in | Coldest |
| March | 29°F (-1°C) | 2.5 in | |
| April | 33°F (1°C) | 2.2 in | Driest |
| May | 40°F (5°C) | 2.7 in | |
| June | 46°F (8°C) | 2.9 in | |
| July | 52°F (11°C) | 2.6 in | |
| August | 52°F (11°C) | 3.6 in | Warmest |
| September | 47°F (8°C) | 4.5 in | |
| October | 39°F (4°C) | 4.7 in | |
| November | 33°F (1°C) | 4.8 in | Wettest |
| December | 30°F (-1°C) | 4.3 in |
Cold Bay has a seasonal temperature swing of 25°F / from 27°F in February to 52°F in August. Total annual precipitation is 40.5 inches, with November being the wettest month (4.8") and April the driest (2.2").