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Weather & Climate in St. Michael, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
St. Michael has a cool climate with an average annual temperature of 28°F (-2°C). Winters average 4°F in January while summers reach 55°F in July. The area gets 304 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 17.6 inches (drier than the 38-inch national average). The area receives 6.7 inches of snow annually. 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 101 feet.
Temperature
4°F Jan (-16°C)
55°F Jul (13°C)
| Annual Average | 27.6°F |
| 49% below US avg | |
| January Average | 4°F (-16°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 101 ft (31 m) |
| Area | 21.7 sq mi (56.3 km²) |
| Population Density | 10/sq mi |
| Coordinates | 63.4585°N, 162.1345°W |
| Timezone | America/Anchorage |
| County | Kusilvak Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 420 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.9 / 100 |
| Social Vulnerability | 100.0 / 100 |
| Community Resilience | 5.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | No Rating |
| 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 Low |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
79 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Dec 15, 1997 | 17 km E of Golovin, Alaska | M4.5 | 125 km | 25 km |
| Apr 30, 2001 | 22 km SW of White Mountain, Alaska | M4.4 | 141 km | 10 km |
| May 18, 1995 | 15 km N of Elim, Alaska | M4.3 | 144 km | 25 km |
| Jul 28, 2005 | 18 km SSW of White Mountain, Alaska | M4.3 | 139 km | 23 km |
| Jun 16, 2023 | 30 km SSW of White Mountain, Alaska | M4.3 | 130 km | 15 km |
| Aug 13, 2002 | 40 km SSE of Solomon, Alaska | M4.1 | 127 km | 8 km |
| Jul 31, 1993 | 10 km SSW of Elim, Alaska | M4.0 | 121 km | -3 km |
| Sep 18, 2024 | 19 km WSW of Unalakleet, Alaska | M4.0 | 63 km | 11 km |
| Jun 13, 2023 | 29 km WSW of Golovin, Alaska | M3.9 | 127 km | 22 km |
| Sep 24, 1993 | 41 km S of Solomon, Alaska | M3.9 | 139 km | 1 km |
| May 25, 1996 | 9 km SE of Golovin, Alaska | M3.9 | 120 km | 10 km |
| Jul 21, 2005 | 8 km SSW of White Mountain, Alaska | M3.9 | 145 km | 19 km |
| May 25, 1996 | 8 km WNW of Golovin, Alaska | M3.8 | 133 km | 10 km |
| Jul 12, 2005 | 12 km SSW of White Mountain, Alaska | M3.8 | 140 km | 15 km |
| Jan 27, 2022 | 53 km S of Elim, Alaska | M3.7 | 77 km | 15 km |
| Aug 8, 2021 | 23 km SSE of Golovin, Alaska | M3.7 | 105 km | 15 km |
| Sep 28, 1992 | 50 km NNE of Stebbins, Alaska | M3.6 | 55 km | 10 km |
| Jan 22, 1992 | 51 km NE of Unalakleet, Alaska | M3.5 | 130 km | -3 km |
| Apr 14, 2010 | 82 km NNW of Emmonak, Alaska | M3.4 | 142 km | 25 km |
| Jun 24, 2005 | 19 km SSW of Elim, Alaska | M3.3 | 112 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: St. Michael (1 km).
| Name | Type | Elevation | Last Eruption | Distance |
| St. Michael | Shield(s) | 715 m (2,346 ft) | Unknown | 1 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
13 wildfires (100+ acres) recorded within 100 km. Largest: SISTERS (31,132 acres, 2015).
| Year | Name | Acres Burned | Distance |
| 2015 | SISTERS | 31,132 | 37 km |
| 2017 | TOIK HILL | 16,983 | 41 km |
| 1991 | 132242 | 14,334 | 97 km |
| 2015 | APOON | 14,058 | 63 km |
| 2017 | NONVALNUK | 12,147 | 29 km |
| 2000 | PASTOLIAK RIVER | 12,003 | 69 km |
| 2015 | EGAVIK | 10,147 | 99 km |
| 2015 | GOLSOVIA 3 | 7,772 | 48 km |
| 2017 | KOGOK 3 | 6,137 | 44 km |
| 2017 | ROMANOFF | 3,149 | 45 km |
| 1991 | 132239 | 3,047 | 50 km |
| 2017 | KOGOK RIVER | 2,678 | 38 km |
| 2014 | THE SISTERS | 2,598 | 25 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 4°F (-16°C) | 0.8 in | Coldest |
| February | 6°F (-14°C) | 0.7 in | Driest |
| March | 9°F (-13°C) | 0.8 in | |
| April | 22°F (-6°C) | 0.9 in | |
| May | 38°F (4°C) | 0.8 in | |
| June | 51°F (10°C) | 1.3 in | |
| July | 55°F (13°C) | 2.1 in | Warmest |
| August | 53°F (12°C) | 3.9 in | Wettest |
| September | 45°F (7°C) | 2.9 in | |
| October | 29°F (-2°C) | 1.5 in | |
| November | 14°F (-10°C) | 1.1 in | |
| December | 5°F (-15°C) | 1.0 in |
St. Michael has a seasonal temperature swing of 51°F / from 4°F in January to 55°F in July. Total annual precipitation is 17.7 inches, with August being the wettest month (3.9") and February the driest (0.7").