The highest day temperature in August 2023 was 70°F. The lowest night temperature was 49°F. The average values for day and night temperatures during August were 60.7°F и 54.2°F respectivly.

The average sea surface temperature in August 2023 for Juneau was 58.3°F. The maximum and minimum values were 55.2°F and 61.6°F respectively.

Most of the days in August are gloomy but you can also expect sunny days.

Precipitation total in August for Juneau is 4.3 in.

The average wind speed in August is 4.4 mph. It makes August one of the most windless months of the year for Juneau.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Juneau in August is 4.2 hours.