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Petersville, AK
Full City Profile · Alaska · Matanuska-Susitna Borough County
3.0
/5.0
B
Good
42
Population
0/sq mi density
36°F
Avg Temperature
248 sunny days/yr
579
Violent Crime/100K
6,733 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
579 violent crimes/100K (52% above avg)
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Petersville has a cool climate with an average annual temperature of 36°F (2°C). Winters average 15°F in January while summers reach 60°F in July. The area gets 248 sunny days per year. Annual precipitation totals 31.9 inches. Air quality is rated Good with a median AQI of 21.
Temperature
15°F Jan (-10°C)
60°F Jul (15°C)
| Annual Average | 36.3°F |
| 33% below US avg | |
| January Average | 15°F (-10°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 3,150 ft (960 m) |
| Area | 462.7 sq mi (1,198.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 62.4535°N, 150.8841°W |
| Timezone | America/Anchorage |
| County | Matanuska-Susitna Borough County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 93 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 4.0 μg/m³ |
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)
Nearby Volcanoes
1 volcano within 200 km. Closest: Spurr (147 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Spurr | Stratovolcano | 3,374 m (11,070 ft) | 1992 | 147 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-10°C) | 1.4 in | |
| February | 14°F (-10°C) | 1.4 in | |
| March | 16°F (-9°C) | 1.3 in | |
| April | 28°F (-2°C) | 1.1 in | Driest |
| May | 41°F (5°C) | 1.3 in | |
| June | 51°F (11°C) | 2.6 in | |
| July | 60°F (15°C) | 3.2 in | Warmest |
| August | 52°F (11°C) | 4.2 in | Wettest |
| September | 43°F (6°C) | 4.0 in | |
| October | 28°F (-2°C) | 2.6 in | |
| November | 15°F (-9°C) | 1.7 in | |
| December | 11°F (-11°C) | 1.8 in | Coldest |
Petersville has a seasonal temperature swing of 48°F / from 11°F in December to 60°F in July. Total annual precipitation is 26.7 inches, with August being the wettest month (4.2") and April the driest (1.1").