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Weather & Climate in Chenega, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chenega has a cool climate with an average annual temperature of 41°F (5°C). Winters average 30°F in January while summers reach 56°F in July. The area gets 166 sunny days per year, below the national average of 205. Annual precipitation totals 137.9 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 232 feet.
Temperature
30°F Jan (-1°C)
56°F Jul (13°C)
| Annual Average | 40.9°F |
| 24% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 166 days/yr |
Geography
| Elevation | 232 ft (71 m) |
| Area | 29.6 sq mi (76.6 km²) |
| Population Density | 2/sq mi |
| Coordinates | 60.0920°N, 147.9947°W |
| Timezone | America/Anchorage |
| County | Chugach Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 101 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 19.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 24.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | No Rating |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Coastal Flood | Very Low |
| Tsunami | Very Low |
| Volcano | No Rating |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,604 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Mar 1, 2000 | 40 km S of Cordova, Alaska | M5.4 | 116 km | 10 km |
| Jun 6, 1995 | 48 km SW of Cordova, Alaska | M5.3 | 89 km | 15 km |
| May 18, 1993 | 16 km WNW of Hope, Alaska | M5.1 | 144 km | 44 km |
| Feb 27, 2000 | 39 km SSW of Cordova, Alaska | M5.0 | 115 km | 18 km |
| Dec 5, 1997 | 5 km SSW of Girdwood, Alaska | M4.9 | 111 km | 36 km |
| Feb 25, 2002 | 42 km SW of Tatitlek, Alaska | M4.9 | 70 km | 5 km |
| Jan 25, 2021 | 36 km SSW of Cordova, Alaska | M4.9 | 114 km | 2 km |
| Jun 20, 2010 | 11 km SW of Tatitlek, Alaska | M4.8 | 100 km | 11 km |
| Aug 9, 2012 | 41 km NE of Chenega, Alaska | M4.8 | 38 km | 1 km |
| Dec 25, 2012 | Southern Alaska | M4.7 | 138 km | 37 km |
| Jan 13, 2005 | 49 km NNE of Chenega, Alaska | M4.7 | 46 km | 23 km |
| Jul 27, 2006 | 11 km SSW of Elmendorf Air Force Base, Alaska | M4.7 | 150 km | 36 km |
| Jan 10, 1998 | 55 km S of Glacier View, Alaska | M4.7 | 137 km | 34 km |
| Mar 23, 2001 | 115 km SE of Chenega, Alaska | M4.7 | 117 km | 9 km |
| Oct 25, 1993 | 49 km WNW of Tatitlek, Alaska | M4.6 | 107 km | 29 km |
| Sep 2, 1998 | 36 km WNW of Valdez, Alaska | M4.6 | 145 km | 25 km |
| Nov 29, 1997 | 19 km E of Chenega, Alaska | M4.6 | 19 km | 20 km |
| Feb 4, 2011 | 31 km SE of Point Possession, Alaska | M4.5 | 144 km | 41 km |
| Apr 17, 2005 | 14 km SSE of Sunrise, Alaska | M4.5 | 105 km | 28 km |
| May 5, 2014 | 21 km NNW of Moose Pass, Alaska | M4.5 | 106 km | 38 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km. Highest wave on record: 51.8 m (170 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | PRINCE WILLIAM SOUND, AK | Eruption + Earthquake | 51.8 m | 139 | 98 km |
| 2024 | PEDERSEN LAGOON, AK | Meteorological | 17.0 m | — | 104 km |
| 1925 | GULF OF ALASKA, AK | Eruption + Earthquake | 1.4 m | — | 111 km |
| 2022 | RESURRECTION BAY, AK | Meteorological | 0.1 m | — | 80 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
1 wildfire (100+ acres) recorded within 100 km. Largest: KENAI LAKE (3,319 acres, 2001).
| Year | Name | Acres Burned | Distance |
| 2001 | KENAI LAKE | 3,319 | 88 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 4.0 in | Coldest |
| February | 30°F (-1°C) | 3.0 in | |
| March | 32°F (-0°C) | 2.8 in | |
| April | 37°F (3°C) | 2.8 in | |
| May | 43°F (6°C) | 3.0 in | |
| June | 50°F (10°C) | 2.3 in | Driest |
| July | 56°F (13°C) | 2.6 in | Warmest |
| August | 55°F (13°C) | 4.1 in | |
| September | 48°F (9°C) | 6.6 in | |
| October | 39°F (4°C) | 6.9 in | Wettest |
| November | 33°F (1°C) | 4.6 in | |
| December | 32°F (-0°C) | 4.5 in |
Chenega has a seasonal temperature swing of 26°F / from 30°F in January to 56°F in July. Total annual precipitation is 47.2 inches, with October being the wettest month (6.9") and June the driest (2.3").