Tolsona, AK
Full City Profile · Alaska · Chugach Census Area County
5.0
/5.0
A+
Excellent
51
Population
1/sq mi density
28°F
Avg Temperature
A+
Overall
5.0 / 5.0
Strong
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Tolsona has a cool climate with an average annual temperature of 28°F (-2°C). Winters average -3°F in January while summers reach 58°F in July. Annual precipitation totals 11.8 inches. The area receives 54.5 inches of snow annually.
Temperature
-3°F Jan (-20°C)
58°F Jul (14°C)
| Annual Average | 28.2°F |
| 48% below US avg | |
| January Average | -3°F (-20°C) |
| July Average | 58°F (14°C) |
Geography
| Elevation | 2,163 ft (659 m) |
| Area | 46.5 sq mi (120.4 km²) |
| Population Density | 1/sq mi |
| Coordinates | 62.0678°N, 146.1203°W |
| Timezone | America/Anchorage |
| County | Chugach Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 142 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 19.6 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 24.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very 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 | Very Low |
| Tsunami | Very Low |
| Volcano | No Rating |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 51.8 m (170 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | PRINCE WILLIAM SOUND, AK | Eruption + Earthquake | 51.8 m | 139 | 144 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
1 volcano within 200 km. Closest: Wrangell (110 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wrangell | Shield | 4,278 m (14,035 ft) | 1912 | 110 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -3°F (-20°C) | 0.7 in | Coldest |
| February | 6°F (-15°C) | 0.7 in | |
| March | 15°F (-10°C) | 0.3 in | |
| April | 33°F (0°C) | 0.2 in | Driest |
| May | 46°F (8°C) | 0.8 in | |
| June | 55°F (13°C) | 1.4 in | |
| July | 58°F (14°C) | 1.7 in | Warmest |
| August | 54°F (12°C) | 1.9 in | Wettest |
| September | 44°F (6°C) | 1.4 in | |
| October | 27°F (-3°C) | 1.0 in | |
| November | 7°F (-14°C) | 0.9 in | |
| December | -0°F (-18°C) | 0.8 in |
Tolsona has a seasonal temperature swing of 61°F / from -3°F in January to 58°F in July. Total annual precipitation is 11.8 inches, with August being the wettest month (1.9") and April the driest (0.2").