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Juneau Climate & Weather

Juneau has a subarctic maritime climate, which is milder than many people expect. Winters are long, dark and wet but not very cold by Alaskan standards, with an average low temperature of 23°F (-5°C) in January. Spring, autumn and summer are mild, with high temperatures averaging about 65°F (18°C) in July, the hottest month. Rain is common throughout the year, but April and May tend to be the driest months. Snowfall can be heavy between November and March. Late-spring and summer are the best times to visit Juneau.

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