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Weather & Climate in Nenana, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nenana has a cool climate with an average annual temperature of 30°F (-1°C). Winters average -3°F in January while summers reach 63°F in July / a wide seasonal temperature swing of 66°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 12.4 inches (drier 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 363 feet.
Temperature
-3°F Jan (-20°C)
63°F Jul (17°C)
| Annual Average | 30.1°F |
| 44% below US avg | |
| January Average | -3°F (-20°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 363 ft (111 m) |
| Area | 6.0 sq mi (15.5 km²) |
| Population Density | 88/sq mi |
| Coordinates | 64.5361°N, 149.0836°W |
| Timezone | America/Anchorage |
| County | Denali Borough County |
| Nearest Airport | Fairbanks International (FAI) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 28.3 / 100 |
| Social Vulnerability | 17.5 / 100 |
| Community Resilience | 26.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
2,938 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.9.
| Nov 3, 2002 | 2002 Denali Fault, Alaska Earthquake | M7.9 | 139 km | 4 km |
| Oct 23, 2002 | 53 km ENE of Cantwell, Alaska | M6.6 | 127 km | 4 km |
| Oct 6, 1995 | 36 km E of Minto, Alaska | M6.0 | 75 km | 9 km |
| Nov 29, 2000 | 52 km WSW of Ferry, Alaska | M5.8 | 92 km | 16 km |
| Jan 19, 2024 | 4 km SW of Salcha, Alaska | M5.3 | 102 km | 11 km |
| Jan 23, 2011 | 42 km E of Denali National Park, Alaska | M5.2 | 141 km | 16 km |
| Aug 31, 2014 | 14 km E of Minto, Alaska | M5.2 | 69 km | 17 km |
| Nov 8, 2002 | 36 km ENE of Cantwell, Alaska | M5.1 | 125 km | 6 km |
| Jul 5, 2002 | 77 km E of Cantwell, Alaska | M5.1 | 139 km | 0 km |
| Nov 4, 2002 | 78 km ESE of McKinley Park, Alaska | M5.1 | 140 km | 5 km |
| Nov 3, 2002 | 57 km E of Cantwell, Alaska | M5.0 | 132 km | 0 km |
| Nov 1, 1992 | 30 km W of Ferry, Alaska | M5.0 | 65 km | 147 km |
| Dec 6, 2000 | 59 km WSW of Ferry, Alaska | M5.0 | 93 km | 12 km |
| Nov 3, 2002 | 72 km E of Cantwell, Alaska | M4.9 | 140 km | 11 km |
| Feb 26, 2013 | 13 km NW of Ferry, Alaska | M4.9 | 50 km | 139 km |
| Nov 3, 2002 | 56 km ENE of Cantwell, Alaska | M4.9 | 129 km | 5 km |
| Jan 7, 1990 | 16 km SE of Minto, Alaska | M4.9 | 58 km | 20 km |
| Jan 7, 1990 | 22 km NNE of Four Mile Road, Alaska | M4.9 | 29 km | 20 km |
| Nov 18, 1995 | 59 km SW of Harding-Birch Lakes, Alaska | M4.8 | 90 km | 105 km |
| Oct 2, 1991 | 32 km SW of Cantwell, Alaska | M4.8 | 147 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: RAILBELT COMPLEX (MINTO FLATS SOUTH) (523,527 acres, 2009).
| Year | Name | Acres Burned | Distance |
| 2009 | RAILBELT COMPLEX (MINTO FLATS SOUTH) | 523,527 | 29 km |
| 2002 | GESKAKMINA LAKE | 260,205 | 61 km |
| 2000 | ZITZIANA | 167,771 | 89 km |
| 2010 | TOKLAT 2 | 146,447 | 75 km |
| 2006 | PARKS HWY | 125,276 | 15 km |
| 2009 | ZITZIANA | 120,372 | 99 km |
| 2009 | WOOD RIVER 1 | 120,133 | 58 km |
| 2002 | MILEPOST 78 | 107,420 | 83 km |
| 2009 | RAILBELT COMPLEX (REX CREEK) | 87,861 | 38 km |
| 2001 | FISH CREEK | 83,362 | 31 km |
| 2022 | CLEAR | 72,998 | 35 km |
| 2018 | ZITZIANA RIVER | 70,350 | 73 km |
| 2013 | SANDLESS LAKE | 56,931 | 84 km |
| 2018 | MOOSEHEART | 54,693 | 96 km |
| 2023 | CLEAR CREEK | 54,404 | 71 km |
| 2021 | DRY CREEK | 53,286 | 89 km |
| 2012 | DRY CREEK | 49,047 | 83 km |
| 2000 | BEARPAW MT | 39,542 | 94 km |
| 2015 | BLAIR | 37,977 | 96 km |
| 2022 | MINTO LAKES | 37,628 | 63 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -3°F (-20°C) | 0.6 in | |
| February | -2°F (-19°C) | 0.6 in | |
| March | 10°F (-12°C) | 0.3 in | |
| April | 30°F (-1°C) | 0.3 in | Driest |
| May | 47°F (8°C) | 0.6 in | |
| June | 58°F (15°C) | 1.6 in | |
| July | 63°F (17°C) | 2.3 in | Warmest, Wettest |
| August | 56°F (13°C) | 2.2 in | |
| September | 45°F (7°C) | 1.3 in | |
| October | 25°F (-4°C) | 0.6 in | |
| November | 4°F (-16°C) | 0.6 in | |
| December | -4°F (-20°C) | 0.6 in | Coldest |
Nenana has a seasonal temperature swing of 67°F / from -4°F in December to 63°F in July. Total annual precipitation is 11.6 inches, with July being the wettest month (2.3") and April the driest (0.3").