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Weather & Climate in Alatna, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alatna has a cool climate with an average annual temperature of 24°F (-5°C). Winters average -11°F in January while summers reach 60°F in July / a wide seasonal temperature swing of 71°F. The area gets 274 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 16.0 inches (drier than the 38-inch national average). The area receives 97.9 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 582 feet.
Temperature
-11°F Jan (-24°C)
60°F Jul (15°C)
| Annual Average | 23.9°F |
| 56% below US avg | |
| January Average | -11°F (-24°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 582 ft (177 m) |
| Area | 36.6 sq mi (94.8 km²) |
| Population Density | 1/sq mi |
| Coordinates | 66.5638°N, 152.8385°W |
| Timezone | America/Anchorage |
| County | Yukon-Koyukuk Census Area County |
| Nearest Airport | Fairbanks International (FAI) 186 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 61.6 / 100 |
| Social Vulnerability | 99.4 / 100 |
| Community Resilience | 7.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| 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 |
| Volcano | Very Low |
| Avalanche | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
278 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Jan 6, 2019 | 61 km WNW of Tanana, Alaska | M5.1 | 130 km | 17 km |
| Apr 8, 2019 | 64 km WNW of Tanana, Alaska | M4.8 | 133 km | 9 km |
| Apr 18, 1995 | 74 km E of Kobuk, Alaska | M4.5 | 107 km | 8 km |
| May 25, 2013 | 36 km NW of Stevens Village, Alaska | M4.4 | 149 km | 12 km |
| Jan 10, 2001 | 54 km SW of Hughes, Alaska | M4.4 | 140 km | 10 km |
| Oct 16, 1995 | 55 km NW of Rampart, Alaska | M4.4 | 114 km | 9 km |
| Oct 22, 1997 | 31 km NNW of Hughes, Alaska | M4.3 | 77 km | 16 km |
| Jan 17, 2016 | 33 km SW of Alatna, Alaska | M4.2 | 29 km | 11 km |
| Jun 7, 2001 | 63 km NNW of Rampart, Alaska | M4.2 | 110 km | 10 km |
| Sep 3, 1994 | 46 km SW of Hughes, Alaska | M4.1 | 131 km | 19 km |
| Mar 16, 2010 | 47 km N of Rampart, Alaska | M4.0 | 133 km | 20 km |
| Mar 25, 2002 | 67 km NW of Hughes, Alaska | M4.0 | 119 km | 20 km |
| Jul 28, 1995 | 62 km NW of Alatna, Alaska | M4.0 | 57 km | 24 km |
| Jun 30, 2009 | 70 km SSE of New Allakaket, Alaska | M3.9 | 78 km | 15 km |
| Feb 14, 2024 | 47 km NNE of Tanana, Alaska | M3.9 | 125 km | 17 km |
| Mar 15, 2010 | 50 km NNW of Rampart, Alaska | M3.9 | 128 km | 11 km |
| Jan 9, 2024 | 54 km SW of Hughes, Alaska | M3.9 | 139 km | 13 km |
| Apr 3, 2001 | 35 km N of Rampart, Alaska | M3.9 | 149 km | 28 km |
| May 20, 1999 | 32 km SW of Alatna, Alaska | M3.9 | 30 km | 0 km |
| Mar 31, 2023 | northern Alaska | M3.8 | 83 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: KAN 7 (367,774 acres, 1990).
| Year | Name | Acres Burned | Distance |
| 1990 | KAN 7 | 367,774 | 74 km |
| 2005 | OLD DUMMY | 239,053 | 62 km |
| 2015 | TOBATOKH | 220,212 | 92 km |
| 2015 | ISAHULTILA | 192,796 | 98 km |
| 2005 | NORTH BONANZA | 190,655 | 98 km |
| 2015 | ROCK | 143,047 | 79 km |
| 2004 | EVANSVILLE | 137,996 | 76 km |
| 2015 | SUSHGITIT HILLS | 118,333 | 57 km |
| 1991 | 131569 | 109,443 | 30 km |
| 2004 | CLAWANMENKA LAKE | 108,330 | 58 km |
| 2015 | TORMENT CREEK | 106,995 | 99 km |
| 2013 | PROSPECT CREEK | 61,848 | 88 km |
| 2016 | HOG | 57,621 | 40 km |
| 2016 | HOGATZA RIVER | 51,144 | 43 km |
| 2015 | HOLONADA | 45,340 | 99 km |
| 1991 | BTT S 17 | 43,560 | 59 km |
| 2019 | BERGMAN CREEK | 40,778 | 40 km |
| 1991 | BTT W 64 | 35,623 | 88 km |
| 2016 | INIAKUK LAKE | 34,707 | 64 km |
| 1990 | BTT SW 53 | 31,344 | 30 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -11°F (-24°C) | 0.8 in | |
| February | -12°F (-24°C) | 0.6 in | Coldest |
| March | -0°F (-18°C) | 0.7 in | |
| April | 20°F (-7°C) | 0.5 in | Driest |
| May | 41°F (5°C) | 0.6 in | |
| June | 56°F (13°C) | 1.3 in | |
| July | 60°F (15°C) | 1.9 in | Warmest |
| August | 53°F (12°C) | 2.7 in | Wettest |
| September | 41°F (5°C) | 1.5 in | |
| October | 21°F (-6°C) | 1.3 in | |
| November | -2°F (-19°C) | 0.9 in | |
| December | -11°F (-24°C) | 0.8 in |
Alatna has a seasonal temperature swing of 72°F / from -12°F in February to 60°F in July. Total annual precipitation is 13.6 inches, with August being the wettest month (2.7") and April the driest (0.5").