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Weather & Climate in Sleetmute, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sleetmute has a cool climate with an average annual temperature of 29°F (-2°C). Winters average -6°F in January while summers reach 61°F in July / a wide seasonal temperature swing of 67°F. The area gets 274 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 18.1 inches (drier than the 38-inch national average). The area receives 86.5 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 180 feet.
Temperature
-6°F Jan (-21°C)
61°F Jul (16°C)
| Annual Average | 28.9°F |
| 46% below US avg | |
| January Average | -6°F (-21°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 180 ft (55 m) |
| Area | 104.7 sq mi (271.2 km²) |
| Population Density | 1/sq mi |
| Coordinates | 61.6539°N, 157.1030°W |
| Timezone | America/Anchorage |
| County | Dillingham Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 237 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 35.7 / 100 |
| Social Vulnerability | 99.0 / 100 |
| Community Resilience | 32.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Coastal Flood | No Rating |
| Tsunami | Very Low |
| Volcano | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
75 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Apr 27, 1992 | 80 km NE of Lime Village, Alaska | M4.7 | 147 km | -3 km |
| May 27, 2005 | 51 km SE of Chuathbaluk, Alaska | M4.6 | 86 km | 20 km |
| May 27, 2005 | 71 km SE of Chuathbaluk, Alaska | M4.3 | 75 km | 20 km |
| Jul 19, 2020 | 92 km NNE of Lime Village, Alaska | M4.2 | 126 km | 18 km |
| Mar 6, 2014 | 13 km WSW of Aniak, Alaska | M3.9 | 142 km | 32 km |
| Jun 9, 2005 | 53 km SE of Chuathbaluk, Alaska | M3.9 | 85 km | 26 km |
| Dec 22, 2012 | 67 km SSE of Chuathbaluk, Alaska | M3.9 | 106 km | 27 km |
| Apr 22, 2024 | 37 km ESE of Holy Cross, Alaska | M3.9 | 115 km | 13 km |
| Apr 4, 2004 | 17 km SSW of Aniak, Alaska | M3.8 | 138 km | 19 km |
| Mar 20, 1997 | Southern Alaska | M3.8 | 147 km | -3 km |
| Jun 8, 2005 | 53 km SE of Chuathbaluk, Alaska | M3.8 | 91 km | 10 km |
| Jun 9, 2005 | 53 km SE of Chuathbaluk, Alaska | M3.8 | 85 km | 10 km |
| May 26, 2005 | 67 km SE of Chuathbaluk, Alaska | M3.7 | 75 km | 1 km |
| Sep 29, 2016 | 45 km ENE of Holy Cross, Alaska | M3.7 | 121 km | 32 km |
| Sep 7, 1991 | 25 km S of Sleetmute, Alaska | M3.6 | 20 km | 17 km |
| Feb 9, 1992 | 70 km SW of Sleetmute, Alaska | M3.6 | 68 km | 17 km |
| Sep 30, 1992 | 71 km NE of Lime Village, Alaska | M3.5 | 140 km | 10 km |
| Oct 8, 2016 | 82 km S of Nikolai, Alaska | M3.4 | 150 km | 15 km |
| Jun 11, 2005 | 55 km SE of Chuathbaluk, Alaska | M3.4 | 79 km | 17 km |
| Jan 19, 2002 | 20 km ESE of Crooked Creek, Alaska | M3.4 | 38 km | 20 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: LIME HILLS (193,968 acres, 2013).
| Year | Name | Acres Burned | Distance |
| 2013 | LIME HILLS | 193,968 | 89 km |
| 2022 | DOOR MOUNTAIN | 167,051 | 79 km |
| 2013 | MOORE CREEK | 135,659 | 90 km |
| 2022 | AGHALUK MOUNTAIN | 115,868 | 38 km |
| 2022 | KIKNIK | 99,725 | 97 km |
| 1988 | 804028 | 86,445 | 90 km |
| 2022 | STONY RIVER | 80,951 | 65 km |
| 2019 | SMITH CREEK | 72,002 | 78 km |
| 2005 | GEORGE | 62,983 | 46 km |
| 2005 | WASKY | 59,754 | 86 km |
| 1990 | ROUND | 51,242 | 93 km |
| 2015 | WHY LAKE | 46,360 | 65 km |
| 1989 | SWINGING DOME | 28,882 | 98 km |
| 2009 | CHEENEETNUK | 28,531 | 97 km |
| 2009 | GAGARYAH 2 | 19,547 | 99 km |
| 2020 | TAYLOR CREEK | 18,717 | 63 km |
| 2015 | VILLAGE CREEK | 16,711 | 62 km |
| 2017 | BALL CREEK | 15,887 | 93 km |
| 2005 | WOLF | 15,288 | 99 km |
| 2005 | BIG WALDREN | 13,705 | 93 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -6°F (-21°C) | 1.1 in | Coldest |
| February | 9°F (-13°C) | 0.9 in | |
| March | 15°F (-9°C) | 0.9 in | |
| April | 30°F (-1°C) | 0.9 in | |
| May | 45°F (7°C) | 0.9 in | Driest |
| June | 55°F (13°C) | 1.7 in | |
| July | 61°F (16°C) | 2.8 in | Warmest |
| August | 54°F (12°C) | 3.8 in | Wettest |
| September | 47°F (8°C) | 2.7 in | |
| October | 30°F (-1°C) | 1.6 in | |
| November | 14°F (-10°C) | 1.3 in | |
| December | 1°F (-17°C) | 1.3 in |
Sleetmute has a seasonal temperature swing of 67°F / from -6°F in January to 61°F in July. Total annual precipitation is 19.8 inches, with August being the wettest month (3.8") and May the driest (0.9").