Weather By Day

August Juneau Weather 
August Juneau Weather
Record High: 84°F
Normal High: 63°F
Normal Low: 48°F
Record Low: 31°F
Avg Monthly Rain: 5.37"
Rec 1 Day Rain: 2.52"

Juneau Weather In August

The hottest day in Juneau Alaska in August for the past 66 years was 84 degrees Fahrenheit, on August 17, 2004, while the typical high temperature is 63. The coldest day reported in Juneau in August for the past 66 years was 31 most recently measured on August 24, 1969, and the typical low is 48.

According to National Weather Service Juneau August Weather data, on August 29, 1984, the recorded high temperature did not exceed 47 degrees Fahrenheit, the lowest high measured in Juneau in the past 66 years. The Weather Service additionally indicates that on August 12, 1997, the low for the day did not drop below 58 degrees, the highest low recorded in Juneau in the last 66 years.

Historical weather data accumulated by the National Weather Service shows that the average daily high temperature in Juneau on August First is 64 degrees Fahrenheit and the average high on the last day of August is 59 degrees. The average recorded low temperature in Juneau on August First is 48 degrees Fahrenheit and the average low on the last day of August is 47 degrees.

Juneau receives an average of 5.37 inches of precipitation during August. The most precipitation recorded on a single day in August, according to August Juneau Weather data, was 2.52 inches on August 23, 1974.