Avg. Humidity: 77%
Humidity & Mold in Alaska
Alaska's high RH combined with cold walls causes severe interior condensation. Southeast Alaska (Juneau, Ketchikan) is rainforest-wet; interior towns face heating-driven condensation problems.
77%
Avg. Humidity
Subarctic / Oceanic (southeast)
Climate
Moderate
Humidity Level
740K
Population
Top Moisture Issues in Alaska
Attic condensation
Ice dam moisture
Interior condensation on windows
Bathroom mold from poor ventilation
Expert Tips for Alaska Homeowners
1
Balanced HRV ventilation
2
Insulate cold surfaces to raise wall temperature
3
Vent bathroom fans outside
4
Avoid unvented gas heaters
