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Weather & Climate in Dillingham, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Dillingham has a cool climate with an average annual temperature of 37°F (3°C). Winters average 17°F in January while summers reach 57°F in July. The area gets 269 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 21.4 inches (drier than the 38-inch national average). The area receives 47.4 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 97 feet.
Temperature
17°F Jan (-9°C)
57°F Jul (14°C)
| Annual Average | 36.5°F |
| 32% below US avg | |
| January Average | 17°F (-9°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 97 ft (30 m) |
| Area | 2.7 sq mi (7.1 km²) |
| Population Density | 63/sq mi |
| Coordinates | 59.0605°N, 158.5323°W |
| Timezone | America/Anchorage |
| County | Dillingham Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 328 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
148 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| May 1, 1990 | 19 km SSE of King Salmon, Alaska | M6.6 | 129 km | 252 km |
| Jul 23, 2016 | 26 km SSE of King Salmon, Alaska | M5.5 | 136 km | 204 km |
| Feb 27, 2003 | 37 km S of King Salmon, Alaska | M5.3 | 134 km | 199 km |
| Jun 13, 2010 | Alaska Peninsula | M4.9 | 135 km | 15 km |
| Feb 10, 1994 | 76 km NNW of Aleknagik, Alaska | M4.4 | 99 km | 10 km |
| Jun 30, 1993 | 34 km ESE of King Salmon, Alaska | M4.4 | 150 km | 168 km |
| Nov 6, 1994 | 18 km W of Naknek, Alaska | M4.3 | 78 km | 6 km |
| Mar 27, 2015 | 27 km SE of Egegik, Alaska | M4.3 | 143 km | 14 km |
| Jan 13, 2004 | 18 km SSE of King Salmon, Alaska | M4.2 | 129 km | 201 km |
| Mar 25, 2006 | 35 km E of King Salmon, Alaska | M4.2 | 149 km | 193 km |
| May 16, 1992 | 10 km SE of Togiak, Alaska | M4.2 | 100 km | 0 km |
| May 31, 2016 | 20 km S of King Salmon, Alaska | M4.1 | 122 km | 201 km |
| Feb 9, 1994 | 79 km NW of Aleknagik, Alaska | M4.0 | 100 km | -3 km |
| Sep 25, 2001 | 68 km WSW of Egegik, Alaska | M4.0 | 107 km | 15 km |
| Sep 27, 2001 | 65 km WSW of Egegik, Alaska | M3.9 | 109 km | 12 km |
| Jan 29, 2021 | 35 km S of King Salmon, Alaska | M3.8 | 131 km | 205 km |
| Nov 29, 1992 | 34 km SSE of King Salmon, Alaska | M3.8 | 142 km | 170 km |
| Jun 17, 2010 | 23 km ESE of Egegik, Alaska | M3.8 | 137 km | 15 km |
| Apr 23, 2001 | 17 km E of Egegik, Alaska | M3.8 | 127 km | 7 km |
| Oct 5, 2016 | 89 km NNW of Aleknagik, Alaska | M3.7 | 113 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Ukinrek Maars (180 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ukinrek Maars | Maar(s) | 91 m (299 ft) | 1977 | 180 km |
| Ugashik-Peulik | Stratovolcano | 1,474 m (4,836 ft) | 1814 | 193 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
15 wildfires (100+ acres) recorded within 100 km. Largest: IOWITHLA RIVER (43,424 acres, 2022).
| Year | Name | Acres Burned | Distance |
| 2022 | IOWITHLA RIVER | 43,424 | 28 km |
| 2022 | KOKWOK | 32,508 | 75 km |
| 2015 | GECHIAK LAKE | 16,919 | 100 km |
| 2012 | SNAKE RIVER | 15,244 | 16 km |
| 1991 | TWIN | 11,889 | 93 km |
| 2019 | LEVELOCK | 10,370 | 94 km |
| 2022 | TUKLUNG RIVER | 6,675 | 53 km |
| 2019 | LOWER KLUTUK | 5,997 | 83 km |
| 2015 | COPENHAGEN CREEK | 5,335 | 61 km |
| 2015 | COPENHAGEN | 3,207 | 65 km |
| 2019 | ONGIVINUK RIVER | 2,831 | 70 km |
| 2015 | LITTLE KOKWOK | 2,233 | 58 km |
| 2015 | KOKWOK RIVER | 1,923 | 64 km |
| 2022 | ONGOKE RIVER | 1,479 | 58 km |
| 2017 | KENAKUCHUK CREEK | 1,160 | 61 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-9°C) | 1.6 in | |
| February | 15°F (-10°C) | 1.3 in | |
| March | 23°F (-5°C) | 1.4 in | |
| April | 31°F (-0°C) | 1.1 in | Driest |
| May | 42°F (6°C) | 1.4 in | |
| June | 52°F (11°C) | 1.7 in | |
| July | 57°F (14°C) | 2.6 in | Warmest |
| August | 54°F (12°C) | 3.9 in | Wettest |
| September | 48°F (9°C) | 3.1 in | |
| October | 34°F (1°C) | 2.3 in | |
| November | 23°F (-5°C) | 1.9 in | |
| December | 15°F (-10°C) | 1.8 in | Coldest |
Dillingham has a seasonal temperature swing of 42°F / from 15°F in December to 57°F in July. Total annual precipitation is 24.2 inches, with August being the wettest month (3.9") and April the driest (1.1").