Alaska weather

Our guide to the weather in Alaska during August

15

Average high

2

UV Index

129mm

Monthly rainfall

77%

Humidity

We've looked at the most up-to-date weather data for Alaska, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Alaska weather in August.

What's the temperature like in Alaska during August?

The temperature reaches around 15℃ during the daytime in August, falling away to 6℃ at night. The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.

Does it rain in Alaska during August?

August is typically the wettest month in Alaska. On average, there will be 8 rainy days during the month, amounting to 128.6mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Alaska during August?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With moderate air temperatures, any breeze will feel cool.

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Alaska Blog posts

From the US most popular travel bloggers

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The best destinations to travel to in August

16th June 2019 by The Blonde Abroad

Summer is going to be in full swing soon enough, and for those that want to plan the ultimate trip to finish off the sunny season—August is the best time to visit countless destinations around the globe!However, there are a few places that aren’t so ideal. Many European hotspots are abandoned in August while the locals go on holiday. In Paris, for example, small boutiques and restaurants often close as Parisians explore the countryside…so you really won’t get much of the local...

Weather in Alaska

Our month-by-month guide to the weather and climate in Alaska

-15.0

Alaska weather in

January
-9.8

Alaska weather in

February
-6.5

Alaska weather in

March
1.3

Alaska weather in

April
10.2

Alaska weather in

May
15.7

Alaska weather in

June
17.6

Alaska weather in

July
14.5

Alaska weather in

August
9.1

Alaska weather in

September
0.1

Alaska weather in

October
-10.7

Alaska weather in

November
-13.6

Alaska weather in

December