Juneau Weather Forecast

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Last Updated: January 2, 2026

Juneau, Alaska is the capital city tucked away in the southeastern part of the state.


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Summary

The climate in Juneau is characterized as a temperate rainforest, with mild summers and cool winters. Precipitation is abundant, with an average annual rainfall of around 50 inches. The city experiences a significant amount of cloud cover and fog due to its proximity to coastal waters and mountainous terrain.

Juneau is surrounded by stunning natural beauty, including glaciers, mountains, and fjords. The city is unique as it is situated between the Juneau Icefield and the Gastineau Channel. The Mendenhall Glacier is a popular attraction, offering opportunities for hiking, ice climbing, and wildlife viewing. The Tongass National Forest is also nearby, providing countless trails for hiking, biking, and camping.

The hydrology of Juneau is influenced by the numerous rivers, lakes, and streams. The Mendenhall River flows through the heart of the city, offering fishing and boating opportunities. The Gastineau Channel is a popular spot for kayaking and whale watching.

Overall, Juneau offers a multitude of outdoor recreation opportunities, from exploring glaciers to hiking through ancient rainforests. Its unique climate and stunning surroundings make it a paradise for nature enthusiasts.

       

Weather Forecast

Juneau receives approximately mm of rain per year, with humidity levels near 84% and air temperatures averaging around °C. Juneau has a plant hardyness factor of , meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.