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Feb 9, 2024 · Juneau, Alaska - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
Juneau Temperatures: Averages by Month. The numbers here tell you how hot and cold the weather usually is in Juneau, Alaska during each month of the year. The average high and low temperatures are listed below monthly and annually for Juneau, in both degrees Fahrenheit and Celsius.
In Juneau, the mean yearly temperature amounts to 2.3 °C | 36.2 °F. About 2687 mm | 105.8 inch of precipitation falls annually. Juneau is in the northern hemisphere. -> It is situated in the upper half of the planet. Summer begins in September and ends at the end of June.
Get the monthly weather forecast for Juneau, AK, including daily high/low, historical averages, to help you plan ahead.
The most pleasant months of the year for Juneau are July, August and June. In Juneau, there are 0.0 days annually when the high temperature is over 90°, which is about average compared to other places in Alaska. January has the coldest nighttime temperatures for Juneau with an average of 24.8°.
Average Temperature at Juneau International Airport. The warm season lasts for 3.5 months, from May 20 to September 5, with an average daily high temperature above 58°F. The hottest month of the year at Juneau International Airport is July, with an average high of 64°F and low of 51°F.
Select City. Month: What Was the Hottest Year Ever in Juneau? 1905 was the warmest year in the history of Juneau, Alaska. The average daily high temperature was 51.7 °F, and the average low was 39.4 °F. What Was the Coldest Year Ever in Juneau? 1966 was the coolest year in the history of Juneau, Alaska.
