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Weather & Climate in Excursion Inlet, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Excursion Inlet has a cool climate with an average annual temperature of 43°F (6°C). Winters average 31°F in January while summers reach 58°F in July. The area gets 166 sunny days per year, below the national average of 205. Annual precipitation totals 65.8 inches (wetter than the 38-inch national average). The area receives 90.0 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 1,429 feet.
Temperature
31°F Jan (-1°C)
58°F Jul (14°C)
| Annual Average | 43.1°F |
| 20% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 58°F (14°C) |
| Sunny Days | 166 days/yr |
Geography
| Elevation | 1,429 ft (436 m) |
| Area | 55.4 sq mi (143.5 km²) |
| Population Density | 1/sq mi |
| Coordinates | 58.4151°N, 135.3455°W |
| Timezone | America/Anchorage |
| County | Hoonah-Angoon Census Area County |
| Nearest Airport | Juneau International (JNU) 28 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 14.3 / 100 |
| Social Vulnerability | 98.0 / 100 |
| Community Resilience | 10.1 / 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 Moderate |
| Coastal Flood | Very Low |
| Tsunami | Very Low |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
613 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| Jan 6, 2000 | 35 km WSW of Elfin Cove, Alaska | M6.1 | 99 km | 1 km |
| Jul 25, 2014 | 40 km WNW of Elfin Cove, Alaska | M6.0 | 95 km | 10 km |
| Jun 24, 1991 | 34 km WNW of Elfin Cove, Alaska | M5.6 | 89 km | 0 km |
| Jul 11, 1990 | 27 km WSW of Covenant Life, Alaska | M5.5 | 120 km | 10 km |
| Jun 4, 2014 | 63 km SW of Covenant Life, Alaska | M5.2 | 102 km | 8 km |
| Sep 1, 2019 | 64 km WSW of Covenant Life, Alaska | M5.0 | 121 km | 10 km |
| Jun 7, 2009 | 66 km NNW of Elfin Cove, Alaska | M5.0 | 86 km | 5 km |
| Jul 25, 2014 | 41 km WNW of Elfin Cove, Alaska | M4.7 | 97 km | 10 km |
| Jul 25, 2014 | 43 km WNW of Elfin Cove, Alaska | M4.7 | 100 km | 10 km |
| Aug 4, 2004 | 26 km WSW of Covenant Life, Alaska | M4.7 | 122 km | 2 km |
| Jul 25, 2014 | 44 km W of Elfin Cove, Alaska | M4.6 | 105 km | 2 km |
| Feb 15, 2010 | 103 km NW of Elfin Cove, Alaska | M4.6 | 143 km | 3 km |
| Jan 6, 2000 | 30 km WSW of Elfin Cove, Alaska | M4.6 | 93 km | 1 km |
| Jan 16, 2017 | 30 km W of Elfin Cove, Alaska | M4.5 | 93 km | 13 km |
| Feb 24, 1997 | 45 km NNW of Gustavus, Alaska | M4.5 | 60 km | 5 km |
| Apr 16, 2009 | 95 km NW of Elfin Cove, Alaska | M4.5 | 137 km | 15 km |
| Jan 14, 2022 | 56 km SSW of Pelican, Alaska | M4.5 | 124 km | 14 km |
| Feb 18, 2015 | 43 km WNW of Elfin Cove, Alaska | M4.5 | 99 km | 3 km |
| Jul 25, 2014 | 39 km WNW of Elfin Cove, Alaska | M4.4 | 97 km | 10 km |
| Jul 8, 2021 | 30 km SSW of Covenant Life, Alaska | M4.4 | 98 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
11 tsunamis recorded within 500 km. Highest wave on record: 524.6 m (1,721 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1958 | SE. ALASKA, AK | Eruption + Earthquake | 524.6 m | 5 | 77 km |
| 2025 | TRACY ARM, AK | Meteorological | 470.0 m | — | 149 km |
| 1936 | LITUYA BAY, AK | Meteorological | 149.4 m | — | 104 km |
| 1853 | LITUYA BAY, AK | Meteorological | 120.0 m | — | 131 km |
| 1874 | LITUYA BAY, AK | Meteorological | 24.4 m | — | 132 km |
| 1994 | SKAGWAY, AK | Meteorological | 9.0 m | 1 | 121 km |
| 1917 | TAKU INLET, JUNEAU, AK | Meteorological | 2.4 m | 1 | 74 km |
| 1907 | SKAGWAY, AK | Eruption + Earthquake | 0.7 m | — | 121 km |
| 2014 | PALMA BAY, AK | Earthquake | 0.1 m | — | 95 km |
| 1927 | SE. ALASKA, AK | Eruption + Earthquake | — | — | 91 km |
| 1900 | LITUYA BAY, AK | Eruption + Earthquake | — | 5 | 127 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Edgecumbe (154 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Edgecumbe | Stratovolcano(es) | 970 m (3,182 ft) | -2220 | 154 km |
| Atlin Volcanic Field | Pyroclastic cone(s) | 1,880 m (6,168 ft) | Unknown | 182 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 5.6 in | |
| February | 28°F (-2°C) | 4.8 in | |
| March | 30°F (-1°C) | 3.8 in | |
| April | 36°F (2°C) | 2.8 in | Driest |
| May | 43°F (6°C) | 3.0 in | |
| June | 50°F (10°C) | 2.9 in | |
| July | 58°F (14°C) | 3.6 in | Warmest |
| August | 53°F (12°C) | 4.7 in | |
| September | 47°F (8°C) | 7.3 in | |
| October | 39°F (4°C) | 9.0 in | Wettest |
| November | 31°F (-0°C) | 6.8 in | |
| December | 28°F (-2°C) | 6.6 in | Coldest |
Excursion Inlet has a seasonal temperature swing of 30°F / from 28°F in December to 58°F in July. Total annual precipitation is 60.8 inches, with October being the wettest month (9.0") and April the driest (2.8").