August · United States
Best time to visit Juneau in August Weather, crowds & prices
Weather in Juneau in August
Average temperature 11°C, 263 mm of rain, about 11 days with 6+ hours of sunshine and 90% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
5.1/10
Ranked #4 of 12 months
- Avg temp
- 11°C
- Rainfall
- 263 mm
- Humidity
- 90%
- Days with 6h+ sun
- 11
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Juneau scores 5.1/10 for nature and wildlife travel - an above-average month (#4 of 12). Expect around 11°C, 263 mm of rain, and roughly 11 days with 6+ hours of sunshine this month.
Juneau is Alaska's car-free capital, reached by air or sea, with glaciers and rainforest at its edge.
August in Juneau — workable with trade-offs
August averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
263 mm of rain puts this in monsoon territory — about 11 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 5.1/10 here, 4th of 12 months, against 6.5/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Figure on peak pricing, with this is one of the busiest months here.
Frequently asked
- What is the weather like in Juneau in August?
- In August, Juneau averages 11°C, 263 mm of rain, and about 11 days with 6+ hours of sunshine. Its climate-comfort score is 5.1/10.
- Is August a good time to visit Juneau?
- August earns a 5.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Juneau in August?
- Expect about 263 mm of rain in August. Average humidity is 90% and there are about 11 days with 6+ hours of sunshine.
Curated in Juneau
Tickets & experiences
Things to do in Juneau
Juneau, United States. Live activities and tours from GetYourGuide, matched to this destination.