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Weather & Climate in Hyder, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hyder has a cool climate with an average annual temperature of 43°F (6°C). Winters average 27°F in January while summers reach 60°F in July. The area gets 166 sunny days per year, below the national average of 205. Annual precipitation totals 92.5 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 1,504 feet.
Temperature
27°F Jan (-3°C)
60°F Jul (15°C)
| Annual Average | 43.0°F |
| 20% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 166 days/yr |
Geography
| Elevation | 1,504 ft (458 m) |
| Area | 14.7 sq mi (38.0 km²) |
| Population Density | 1/sq mi |
| Coordinates | 55.9815°N, 130.0382°W |
| Timezone | America/Anchorage |
| County | Ketchikan Gateway Borough County |
| Nearest Airport | Ketchikan International (KTN) 78 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 1.7 / 100 |
| Social Vulnerability | 28.1 / 100 |
| Community Resilience | 68.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | No Rating |
| Strong Wind | No Rating |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | No Rating |
| Landslide | Relatively Low |
| Coastal Flood | Very Low |
| Tsunami | Very Low |
| Volcano | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Apr 29, 2013 | 60 km ENE of Thoms Place, Alaska | M4.3 | 87 km | 13 km |
| Sep 7, 2004 | 71 km ENE of Wrangell, Alaska | M4.2 | 123 km | 5 km |
| Jan 18, 2008 | 17 km E of Hyder, Alaska | M3.1 | 18 km | 5 km |
| Apr 12, 2019 | 22 km WNW of Hyder, Alaska | M3.0 | 20 km | 8 km |
| Jan 18, 2008 | 11 km N of Hyder, Alaska | M2.9 | 4 km | 16 km |
| May 7, 2004 | 48 km ENE of Wrangell, Alaska | M2.8 | 123 km | 6 km |
| May 12, 2016 | 20 km NW of Hyder, Alaska | M2.8 | 15 km | 4 km |
| Sep 11, 2015 | 5 km SE of Hyder, Alaska | M2.8 | 12 km | 11 km |
| May 23, 2021 | 48 km NE of Wrangell, Alaska | M2.5 | 146 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Iskut-Unuk River Cones (74 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Iskut-Unuk River Cones | Pyroclastic cone(s) | 1,880 m (6,168 ft) | 1800 | 74 km |
| Hoodoo Mountain | Subglacial | 1,850 m (6,070 ft) | -7050 | 117 km |
| Spectrum Range | Shield | 2,430 m (7,972 ft) | Unknown | 166 km |
| Edziza | Stratovolcano | 2,786 m (9,140 ft) | 950 | 197 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 8.9 in | |
| February | 25°F (-4°C) | 6.7 in | |
| March | 29°F (-2°C) | 5.4 in | |
| April | 35°F (2°C) | 3.6 in | |
| May | 42°F (6°C) | 3.5 in | |
| June | 49°F (9°C) | 3.3 in | Driest |
| July | 60°F (15°C) | 3.3 in | Warmest |
| August | 53°F (12°C) | 4.9 in | |
| September | 47°F (8°C) | 8.2 in | |
| October | 37°F (3°C) | 10.8 in | Wettest |
| November | 28°F (-2°C) | 8.7 in | |
| December | 23°F (-5°C) | 9.5 in | Coldest |
Hyder has a seasonal temperature swing of 37°F / from 23°F in December to 60°F in July. Total annual precipitation is 76.6 inches, with October being the wettest month (10.8") and June the driest (3.3").