Juneau
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Juneau Weather in August

With daytime temperatures of 14°C (57°F) and nighttime lows of 8°C (46°F), August in Juneau brings moderate temperatures during the day. Do keep in mind that August is part of the rainy season, with frequent and often heavy rainfall.

Rainfall in Juneau in August

As part of the rainy season, Juneau sees around 16 days of rain in August, with an average of 249 mm (9.8 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Juneau in August

In August, Juneau gets moderate temperatures, with highs of 14°C (57°F). Nights cool to around 8°C (46°F). August is a notable month of the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Juneau in August

The month experiences a moderate amount of sunlight, with 161 hours of sunshine. This provides a nice balance between sunshine and rain.

Wind Speed in Juneau in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

For more travel ideas, our weather planner can help you explore destinations around the world.

Juneau Temperature in August

Min Temperature
8°C (46°F)
Max Temperature
14°C (57°F)
Chance of Rain
55%
Precipitation
249 mm (9.8 in)
Rainy days
16 days
Humidity
84%
Windspeed
3 m/s (6 knots)
Sunshine
161 hours
Percentage Sunshine
34%

Juneau Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Juneau - and find the best time to visit.

Best Places in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Juneau in August

Pack for changing conditions in Juneau in August. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Juneau in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10

Juneau 3-Day Forecast

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.