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Weather & Climate in Slana, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Slana has a cool climate with an average annual temperature of 27°F (-3°C). Winters average -4°F in January while summers reach 55°F in July. The area gets 200 sunny days per year. 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 3,951 feet.
Temperature
-4°F Jan (-20°C)
55°F Jul (13°C)
| Annual Average | 26.8°F |
| 50% below US avg | |
| January Average | -4°F (-20°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 200 days/yr |
Geography
| Elevation | 3,951 ft (1,204 m) |
| Area | 253.7 sq mi (657.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 62.6036°N, 143.4553°W |
| Timezone | America/Anchorage |
| County | Copper River Census Area County |
| Nearest Airport | Fairbanks International (FAI) 204 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 40.0 / 100 |
| Social Vulnerability | 93.4 / 100 |
| Community Resilience | 41.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | No Rating |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1,412 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Oct 22, 1996 | 31 km NNE of Paxson, Alaska | M5.7 | 127 km | 4 km |
| Nov 3, 2002 | 23 km N of Paxson, Alaska | M5.6 | 137 km | 1 km |
| Nov 3, 2002 | 23 km NNW of Paxson, Alaska | M5.6 | 138 km | 20 km |
| Nov 3, 2002 | 19 km NNE of Paxson, Alaska | M5.4 | 127 km | 1 km |
| Nov 4, 2002 | 36 km NE of Paxson, Alaska | M5.4 | 115 km | 1 km |
| Nov 3, 2002 | 45 km WNW of Mentasta Lake, Alaska | M5.4 | 77 km | 0 km |
| Feb 13, 2017 | 20 km NE of Nabesna, Alaska | M5.3 | 38 km | 9 km |
| Nov 4, 2002 | 41 km ENE of Paxson, Alaska | M5.2 | 93 km | 1 km |
| Nov 3, 2002 | 32 km SW of Dry Creek, Alaska | M5.2 | 121 km | 5 km |
| Nov 3, 2002 | 3 km ENE of Mentasta Lake, Alaska | M5.1 | 39 km | 5 km |
| Nov 8, 2002 | 17 km ESE of Mentasta Lake, Alaska | M5.1 | 28 km | 13 km |
| Nov 4, 2002 | 44 km ENE of Paxson, Alaska | M5.1 | 94 km | 5 km |
| Jan 24, 2003 | 31 km NE of Paxson, Alaska | M5.1 | 113 km | 1 km |
| Nov 4, 2002 | 16 km WNW of Mentasta Lake, Alaska | M5.0 | 53 km | 0 km |
| Nov 8, 2002 | 60 km SW of Alcan Border, Alaska | M5.0 | 94 km | 1 km |
| Nov 8, 2002 | 21 km N of Nabesna, Alaska | M5.0 | 27 km | 1 km |
| Nov 5, 2002 | 28 km NE of Paxson, Alaska | M5.0 | 115 km | 11 km |
| Nov 5, 2002 | Central Alaska | M4.9 | 129 km | 5 km |
| Nov 3, 2002 | 14 km N of Paxson, Alaska | M4.9 | 127 km | 1 km |
| Nov 3, 2002 | 27 km SW of Dry Creek, Alaska | M4.9 | 128 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Wrangell (73 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wrangell | Shield | 4,278 m (14,035 ft) | 1912 | 73 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: TOK RIVER (95,688 acres, 1990).
| Year | Name | Acres Burned | Distance |
| 1990 | TOK RIVER | 95,688 | 79 km |
| 2003 | BLACK HILL | 41,929 | 93 km |
| 2015 | CHISANA RIVER 2 | 37,941 | 93 km |
| 2021 | BLACK HILLS | 28,360 | 70 km |
| 2018 | TAIXTSALDA HILL | 28,055 | 61 km |
| 2013 | MOON LAKE | 27,819 | 95 km |
| 2015 | LONG LAKE | 27,670 | 87 km |
| 2010 | EAGLE TRAIL | 20,203 | 91 km |
| 2013 | TETLIN JCT RIDGE | 18,530 | 97 km |
| 2019 | BOUNDARY RIVER | 13,773 | 68 km |
| 1986 | PORCUPINE | 11,049 | 98 km |
| 1994 | LICK CREEK | 8,846 | 61 km |
| 2013 | EXCELSIOR | 6,230 | 88 km |
| 2003 | TOK RIVER | 5,570 | 75 km |
| 1989 | STUVER CREEK | 4,786 | 90 km |
| 1989 | TRAIL LAKE | 3,245 | 58 km |
| 2016 | YOKNEDA LAKE | 2,866 | 64 km |
| 1986 | 613009 | 2,657 | 85 km |
| 2013 | BITTER CREEK | 1,947 | 97 km |
| 2015 | TETLIN HILLS | 1,873 | 68 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -4°F (-20°C) | 0.7 in | Coldest |
| February | 4°F (-16°C) | 0.8 in | |
| March | 10°F (-12°C) | 0.6 in | Driest |
| April | 24°F (-4°C) | 0.6 in | |
| May | 38°F (4°C) | 1.1 in | |
| June | 49°F (9°C) | 2.5 in | |
| July | 55°F (13°C) | 3.0 in | Warmest, Wettest |
| August | 49°F (9°C) | 2.1 in | |
| September | 39°F (4°C) | 1.5 in | |
| October | 22°F (-5°C) | 0.9 in | |
| November | 5°F (-15°C) | 1.0 in | |
| December | -0°F (-18°C) | 0.9 in |
Slana has a seasonal temperature swing of 59°F / from -4°F in January to 55°F in July. Total annual precipitation is 15.6 inches, with July being the wettest month (3.0") and March the driest (0.6").