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Weather & Climate in Susitna North, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Susitna North has a cool climate with an average annual temperature of 36°F (2°C). Winters average 14°F in January while summers reach 60°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 26.5 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 1,566 feet.
Temperature
14°F Jan (-10°C)
60°F Jul (16°C)
| Annual Average | 35.9°F |
| 34% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 1,566 ft (477 m) |
| Area | 129.9 sq mi (336.5 km²) |
| Population Density | 5/sq mi |
| Coordinates | 62.1476°N, 149.7485°W |
| Timezone | America/Anchorage |
| County | Matanuska-Susitna Borough County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 68 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.3 / 100 |
| Social Vulnerability | 17.2 / 100 |
| Community Resilience | 3.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | No Rating |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Moderate |
| Coastal Flood | No Rating |
| Tsunami | Very Low |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
9,350 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.3.
| May 1, 1991 | Central Alaska | M6.3 | 93 km | 115 km |
| May 31, 2021 | 73 km N of Chickaloon, Alaska | M6.1 | 84 km | 44 km |
| Dec 4, 2012 | 20 km ENE of Beluga, Alaska | M5.8 | 114 km | 64 km |
| Jun 24, 2015 | 46 km SW of Skwentna, Alaska | M5.8 | 128 km | 114 km |
| Dec 30, 1995 | 66 km ESE of Denali National Park, Alaska | M5.7 | 126 km | 137 km |
| May 24, 1995 | 26 km SSW of Anchorage, Alaska | M5.5 | 128 km | 39 km |
| Apr 8, 2021 | 28 km SE of Cantwell, Alaska | M5.5 | 132 km | 80 km |
| Sep 25, 2010 | 54 km NE of Chase, Alaska | M5.4 | 80 km | 84 km |
| Dec 2, 1992 | 29 km WNW of Susitna, Alaska | M5.4 | 83 km | 67 km |
| Jul 4, 1996 | 33 km ESE of Skwentna, Alaska | M5.4 | 65 km | 54 km |
| Mar 8, 2000 | 33 km N of Skwentna, Alaska | M5.4 | 86 km | 98 km |
| Jun 22, 2009 | 36 km E of Skwentna, Alaska | M5.4 | 55 km | 65 km |
| Jul 28, 2011 | 8 km NE of Skwentna, Alaska | M5.3 | 82 km | 87 km |
| Feb 27, 2021 | 5 km SSE of Point MacKenzie, Alaska | M5.3 | 93 km | 46 km |
| May 6, 1997 | 8 km NW of Knik-Fairview, Alaska | M5.3 | 65 km | 31 km |
| Jul 22, 1999 | 13 km ESE of Eagle River, Alaska | M5.3 | 98 km | 39 km |
| Dec 28, 1990 | 49 km S of Cantwell, Alaska | M5.3 | 102 km | 74 km |
| Feb 27, 2021 | 5 km SSE of Point MacKenzie, Alaska | M5.3 | 93 km | 46 km |
| May 15, 2016 | 64 km SE of Denali National Park, Alaska | M5.3 | 120 km | 132 km |
| Sep 1, 2000 | 71 km SE of Denali National Park, Alaska | M5.3 | 123 km | 137 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Spurr (162 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Spurr | Stratovolcano | 3,374 m (11,070 ft) | 1992 | 162 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
6 wildfires (100+ acres) recorded within 100 km. Largest: SU RIVER (7,050 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | SU RIVER | 7,050 | 33 km |
| 2015 | SOCKEYE | 6,538 | 43 km |
| 2019 | MCKINLEY | 3,436 | 24 km |
| 2010 | EKLUTNA | 1,941 | 100 km |
| 2019 | DESHKA LANDING | 1,285 | 56 km |
| 2002 | THURSDAY CREEK | 1,046 | 62 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 1.4 in | Coldest |
| February | 16°F (-9°C) | 1.3 in | |
| March | 21°F (-6°C) | 1.2 in | |
| April | 31°F (-0°C) | 1.1 in | Driest |
| May | 43°F (6°C) | 1.4 in | |
| June | 52°F (11°C) | 2.5 in | |
| July | 60°F (16°C) | 3.3 in | Warmest |
| August | 53°F (12°C) | 4.0 in | Wettest |
| September | 44°F (7°C) | 3.9 in | |
| October | 30°F (-1°C) | 2.6 in | |
| November | 17°F (-8°C) | 1.7 in | |
| December | 14°F (-10°C) | 1.9 in |
Susitna North has a seasonal temperature swing of 47°F / from 14°F in January to 60°F in July. Total annual precipitation is 26.2 inches, with August being the wettest month (4.0") and April the driest (1.1").