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.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Juneau's climate page.

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%  

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Juneau's climate page.

More climate data for Juneau

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Juneau climate overview or explore weather in the United States of America.