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Weather & Climate in Angoon, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Angoon has a cool climate with an average annual temperature of 42°F (6°C). Winters average 31°F in January while summers reach 55°F in July. The area gets 166 sunny days per year, below the national average of 205. Annual precipitation totals 128.1 inches (wetter 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 592 feet.
Temperature
31°F Jan (-0°C)
55°F Jul (13°C)
| Annual Average | 42.3°F |
| 22% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 166 days/yr |
Geography
| Elevation | 592 ft (180 m) |
| Area | 38.8 sq mi (100.4 km²) |
| Population Density | 19/sq mi |
| Coordinates | 57.4413°N, 134.4784°W |
| Timezone | America/Anchorage |
| County | Sitka City and Borough County |
| Nearest Airport | Juneau International (JNU) 63 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 23.8 / 100 |
| Social Vulnerability | 55.1 / 100 |
| Community Resilience | 80.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | No Rating |
| Strong Wind | No Rating |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively High |
| Coastal Flood | Very Low |
| Tsunami | Relatively Low |
| Volcano | Relatively Moderate |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
153 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Jan 12, 2024 | 69 km WNW of Port Alexander, Alaska | M5.9 | 134 km | 11 km |
| Dec 16, 1998 | 39 km SW of Sitka, Alaska | M4.6 | 106 km | 12 km |
| Jan 14, 2022 | 56 km SSW of Pelican, Alaska | M4.5 | 119 km | 14 km |
| Jul 9, 2001 | 27 km W of Port Alexander, Alaska | M4.5 | 139 km | 25 km |
| Mar 5, 2007 | 54 km N of Juneau, Alaska | M4.0 | 150 km | 0 km |
| Aug 27, 1998 | 26 km SW of Pelican, Alaska | M3.9 | 126 km | 5 km |
| Jul 22, 2003 | 40 km S of Pelican, Alaska | M3.9 | 111 km | 11 km |
| May 13, 2023 | 20 km WSW of Port Alexander, Alaska | M3.8 | 143 km | 7 km |
| Sep 13, 1998 | 69 km SW of Sitka, Alaska | M3.7 | 137 km | 10 km |
| Jun 7, 2003 | 50 km E of Juneau, Alaska | M3.6 | 111 km | 7 km |
| Jul 5, 2016 | 56 km SW of Sitka, Alaska | M3.6 | 123 km | 14 km |
| Jun 16, 1992 | 57 km E of Juneau, Alaska | M3.6 | 114 km | 5 km |
| Jan 17, 2024 | 62 km WNW of Port Alexander, Alaska | M3.6 | 135 km | 15 km |
| May 4, 1993 | 11 km NW of Sitka, Alaska | M3.6 | 68 km | 10 km |
| Mar 9, 1997 | 48 km SW of Sitka, Alaska | M3.5 | 115 km | 10 km |
| Sep 16, 2001 | 58 km SW of Sitka, Alaska | M3.5 | 125 km | 18 km |
| Nov 9, 2009 | 57 km ENE of Hobart Bay, Alaska | M3.5 | 122 km | 1 km |
| Jun 22, 2002 | 55 km SW of Sitka, Alaska | M3.5 | 122 km | 20 km |
| Jun 13, 2022 | 59 km WNW of Sitka, Alaska | M3.4 | 111 km | 11 km |
| Sep 20, 2010 | 44 km WSW of Kake, Alaska | M3.4 | 65 km | 17 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
5 tsunamis recorded within 500 km. Highest wave on record: 470.0 m (1,542 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2025 | TRACY ARM, AK | Meteorological | 470.0 m | — | 95 km |
| 1917 | TAKU INLET, JUNEAU, AK | Meteorological | 2.4 m | 1 | 87 km |
| 1880 | SITKA, AK | Eruption + Earthquake | 1.8 m | — | 104 km |
| 1972 | SE. ALASKA, AK | Eruption + Earthquake | 0.1 m | — | 100 km |
| 1927 | SE. ALASKA, AK | Eruption + Earthquake | — | — | 99 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Edgecumbe (88 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Edgecumbe | Stratovolcano(es) | 970 m (3,182 ft) | -2220 | 88 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 11.5 in | |
| February | 30°F (-1°C) | 9.1 in | |
| March | 33°F (1°C) | 8.3 in | |
| April | 39°F (4°C) | 6.6 in | |
| May | 46°F (8°C) | 6.3 in | |
| June | 52°F (11°C) | 5.5 in | Driest |
| July | 55°F (13°C) | 6.1 in | |
| August | 55°F (13°C) | 8.7 in | Warmest |
| September | 50°F (10°C) | 13.9 in | |
| October | 42°F (6°C) | 18.5 in | Wettest |
| November | 34°F (1°C) | 12.9 in | |
| December | 29°F (-2°C) | 11.8 in | Coldest |
Angoon has a seasonal temperature swing of 26°F / from 29°F in December to 55°F in August. Total annual precipitation is 119.1 inches, with October being the wettest month (18.5") and June the driest (5.5").