Chugach Census Area Climate
Chugach Census Area, Alaska
Avg Annual Temp
40.3°F
Annual Precip
139.1"
Annual Snowfall
221.2"
Extreme Heat Days
0
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Chugach Census Area Weather
The Wettest Corner of Alaska
Chugach averages 40.3°F annually, which is warm for Alaska but accompanied by an incredible 139.1 inches of precipitation. This creates a unique rainforest-like environment that is far wetter than almost any county in the lower 48.
Alaska's High-Precipitation Leader
At 40.3°F, Chugach is significantly warmer than the 35.9°F state average. However, its 139.1 inches of annual precipitation dwarfs the state average of 54.8 inches, making it a true outlier.
Vastly Different From Anchorage
While neighboring Anchorage receives 31.1 inches of precipitation, Chugach is pelted with 139.1 inches. This moisture translates to a massive 221.2 inches of annual snowfall, more than double Anchorage's 102.9 inches.
Mild Winters and Massive Snow
Winter temperatures average a relatively mild 28.4°F, but the extreme moisture leads to 221.2 inches of snow. Summers are cool and wet, with July temperatures averaging 56.1°F and no days over 90°F.
Mastering Snow and Rain Prep
Residents must be prepared for extreme snow loads, as 221.2 inches can overwhelm standard roofs. Industrial-grade waterproof gear and high-capacity drainage systems are essential for managing the constant 139.1 inches of annual precipitation.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.