All Countries
Weather & Climate in Perryville, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Perryville has a cool climate with an average annual temperature of 40°F (4°C). Winters average 31°F in January while summers reach 51°F in July. The area gets 233 sunny days per year, above the national average. Annual precipitation totals 48.9 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 39 feet.
Temperature
31°F Jan (-1°C)
51°F Jul (11°C)
| Annual Average | 40.0°F |
| 26% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 51°F (11°C) |
| Sunny Days | 233 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 11.2 sq mi (29.0 km²) |
| Population Density | 9/sq mi |
| Coordinates | 55.9345°N, 159.1558°W |
| Timezone | America/Anchorage |
| County | Aleutians East Borough County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 489 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 21.3 / 100 |
| Social Vulnerability | 99.9 / 100 |
| Community Resilience | 0.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | No Rating |
| Hail | No Rating |
| Strong Wind | No Rating |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | No Rating |
| Landslide | Relatively Moderate |
| Coastal Flood | No Rating |
| Tsunami | Relatively Low |
| Volcano | Relatively High |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2,991 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M8.2.
| Jul 29, 2021 | 2021 Chignik, Alaska Earthquake | M8.2 | 102 km | 35 km |
| Jul 22, 2020 | 2020 Perryville, Alaska Earthquake | M7.8 | 102 km | 28 km |
| Aug 14, 2021 | 125 km SE of Perryville, Alaska | M6.9 | 127 km | 21 km |
| May 13, 1993 | 17 km S of Sand Point, Alaska | M6.9 | 118 km | 32 km |
| May 25, 1993 | 35 km S of Sand Point, Alaska | M6.2 | 133 km | 37 km |
| Apr 2, 2016 | 42 km E of Port Heiden, Alaska | M6.2 | 141 km | 11 km |
| Jul 22, 2020 | 101 km ESE of Sand Point, Alaska | M6.1 | 108 km | 17 km |
| Feb 2, 2011 | 40 km S of Sand Point, Alaska | M5.9 | 135 km | 35 km |
| Jul 29, 2021 | 127 km SE of Chignik, Alaska | M5.9 | 137 km | 1 km |
| May 5, 2011 | 37 km SSW of Sand Point, Alaska | M5.8 | 140 km | 36 km |
| May 5, 2011 | 27 km S of Sand Point, Alaska | M5.7 | 128 km | 39 km |
| May 31, 2016 | 75 km SE of Perryville, Alaska | M5.7 | 78 km | 26 km |
| May 17, 1993 | 49 km SE of Sand Point, Alaska | M5.7 | 120 km | 33 km |
| Jul 22, 2020 | 76 km ESE of Sand Point, Alaska | M5.7 | 82 km | 45 km |
| Jul 29, 2021 | 99 km ESE of Chignik, Alaska | M5.7 | 135 km | 35 km |
| Jul 22, 2020 | 122 km ESE of Sand Point, Alaska | M5.6 | 133 km | 25 km |
| Jun 23, 2001 | 83 km ESE of Sand Point, Alaska | M5.5 | 103 km | 35 km |
| Jul 22, 2020 | 73 km S of Ivanof Bay, Alaska | M5.5 | 78 km | 36 km |
| Dec 22, 2000 | 33 km NE of Chignik, Alaska | M5.5 | 94 km | 92 km |
| Jul 27, 2020 | 46 km SSE of Sand Point, Alaska | M5.5 | 133 km | 37 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 0.4 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2021 | KODIAK ISLAND, AK | Earthquake | 0.4 m | — | 107 km |
| 1938 | SHUMAGIN ISLANDS, AK | Earthquake | 0.3 m | — | 71 km |
| 2020 | SHUMAGIN ISLANDS, AK | Earthquake | 0.2 m | — | 102 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Aniakchak (121 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Aniakchak | Caldera | 1,341 m (4,400 ft) | 1931 | 121 km |
| Pavlof | Stratovolcano | 2,493 m (8,179 ft) | 2016 | 181 km |
| Chiginagak | Stratovolcano | 2,221 m (7,287 ft) | 1998 | 188 km |
| Emmons Lake | Caldera | 1,436 m (4,711 ft) | Unknown | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 1.5 in | |
| February | 27°F (-3°C) | 1.3 in | Coldest |
| March | 28°F (-2°C) | 1.2 in | Driest |
| April | 33°F (0°C) | 1.3 in | |
| May | 40°F (5°C) | 1.5 in | |
| June | 47°F (8°C) | 1.7 in | |
| July | 51°F (11°C) | 2.1 in | |
| August | 52°F (11°C) | 2.5 in | Warmest |
| September | 48°F (9°C) | 3.0 in | Wettest |
| October | 39°F (4°C) | 2.9 in | |
| November | 33°F (1°C) | 2.4 in | |
| December | 29°F (-2°C) | 2.3 in |
Perryville has a seasonal temperature swing of 25°F / from 27°F in February to 52°F in August. Total annual precipitation is 23.6 inches, with September being the wettest month (3.0") and March the driest (1.2").