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Weather & Climate in Platinum, AK
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Platinum has a cool climate with an average annual temperature of 31°F (-0°C). Winters average 7°F in January while summers reach 56°F in July. 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 19.7 inches (drier than the 38-inch national average). The area receives 64.0 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 1,652 feet.
Temperature
7°F Jan (-14°C)
56°F Jul (14°C)
| Annual Average | 31.4°F |
| 42% below US avg | |
| January Average | 7°F (-14°C) |
| July Average | 56°F (14°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 1,652 ft (504 m) |
| Area | 47.3 sq mi (122.4 km²) |
| Population Density | 1/sq mi |
| Coordinates | 58.9526°N, 161.7470°W |
| Timezone | America/Anchorage |
| County | Bethel Census Area County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 433 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 44.3 / 100 |
| Social Vulnerability | 100.0 / 100 |
| Community Resilience | 39.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | No Rating |
| Tsunami | Very Low |
| Volcano | Very Low |
| Avalanche | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| May 16, 1992 | 10 km SE of Togiak, Alaska | M4.2 | 84 km | 0 km |
| Apr 3, 2018 | 25 km SSE of Eek, Alaska | M3.6 | 116 km | 24 km |
| Jun 13, 2019 | 62 km N of Twin Hills, Alaska | M2.7 | 118 km | 7 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: GECHIAK LAKE (16,919 acres, 2015).
| Year | Name | Acres Burned | Distance |
| 2015 | GECHIAK LAKE | 16,919 | 94 km |
| 1991 | TWIN | 11,889 | 95 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 7°F (-14°C) | 1.8 in | Coldest |
| February | 19°F (-7°C) | 1.5 in | |
| March | 21°F (-6°C) | 1.7 in | |
| April | 29°F (-2°C) | 1.1 in | Driest |
| May | 39°F (4°C) | 2.2 in | |
| June | 48°F (9°C) | 2.4 in | |
| July | 56°F (14°C) | 3.6 in | Warmest |
| August | 52°F (11°C) | 6.3 in | Wettest |
| September | 47°F (8°C) | 5.0 in | |
| October | 35°F (2°C) | 4.1 in | |
| November | 27°F (-3°C) | 3.5 in | |
| December | 20°F (-7°C) | 2.2 in |
Platinum has a seasonal temperature swing of 49°F / from 7°F in January to 56°F in July. Total annual precipitation is 35.3 inches, with August being the wettest month (6.3") and April the driest (1.1").