Alaska in august: average Weather, Temperature and Climate, Where to go?
Weather in Alaska in august 2025
Below, you have access to the weather forecast for august for most popular cities in Alaska. These predictions are statistics for the month of august from weather reports for many years. The percentage indicates the probability of having the weather indicated.
Average weather in august in Anchorage
good weather
Weather at 6am
52°F
Partly Cloudy
32% of time
27%
19%
15%
Weather at 12pm
59°F
Clear/Sunny
31% of time
29%
20%
12%
Weather at 6pm
61°F
Clear/Sunny
31% of time
28%
26%
10%
Weather at 3am
52°F
33%
27%
21%
11%
Where to go in Alaska in august?
Where to go in Alaska in august: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Alaska in august when it comes to the weather?
Remember:
The climate in Alaska in august ranges from good to very bad depending on the region and city.
You are lucky: It is not ideal 100%, but the weather in Alaska in august is, on average, pretty good in Anchorage, Fairbanks and Tok. I allows to appreciate sightseeing in these places. And even why not take a little time to enjoy the hotel pool!
If you do not go for the sun or the beach, but, for example for hiking, the cities of Anchor Point, Ketchikan, Haines, Kenai, Nome, Dillingham, Kodiak, Healy and Sand Point have a ok but correct weather for that in august. Eventually, avoid going in the cities of Hooper Bay, Barrow, Sitka, Dutch Harbor and Valdez in august because the climate is bad.
Climate in Alaska in august
Climate in Anchorage in august
In the month of august, the mean temperature in Anchorage is 58°F (maximum temperature is 63°F and minimum temperature is 52°F). The climate is relatively cool in that locality in the month of august, but it is endurable when dressing warm. With 4in over 7 days, rain may occur throughout your trip. But this is moderate and you will not be too bothered by it.
With good weather conditions, august is a recommended month to go in Anchorage.
| August | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 52°F | ||
| Sea temperature | 53°F | ||
| Rainfall | 4in | ||
| Number of days with rainfall | 7 day(s) (23%) | ||
| Humidity | 86% | ||
| Daily sunshine hours | 15 | ||
| Cloud cover | 44% | ||
| Length of day | 15:48 | ||
| Our opinion at whereandwhen.net | good |
Climate in Fairbanks in august
In august, maximum temperature is 63°F and minimum temperature is 50°F (for an average temperature of 58°F). The climate is pleasant in that locality in the month of august. With 4.8in over 7 days, you will experience some showers for your vacations. But this is reasonably and you will not be too bothered by it.
With a good climate, the month of august is a good time to go there in Alaska.
| August | |||
| Average temperature | 58°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 50°F | ||
| Rainfall | 4.8in | ||
| Number of days with rainfall | 7 day(s) (22%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 15 | ||
| Cloud cover | 51% | ||
| Length of day | 16:30 | ||
| Our opinion at whereandwhen.net | good |
Climate in Anchor Point in august
In the month of august, the mean temperature in Anchor Point is 56°F (maximum temperature is 58°F and minimum temperature is 54°F). The climate is rather cool in this city in the month of august, but it is endurable when dressing cosy. With 7in over 9 days, rain may occur throughout your trip. But this is moderate and it is only of temporary showers.
With proper weather, the month of august is okay (but not the best month) for traveling in Anchor Point in Alaska.
| August | |||
| Average temperature | 56°F | ||
| Highest temperature | 58°F | ||
| Lowest temperature | 54°F | ||
| Sea temperature | 54°F | ||
| Rainfall | 7in | ||
| Number of days with rainfall | 9 day(s) (31%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 14 | ||
| Cloud cover | 48% | ||
| Length of day | 15:34 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Barrow in august
In the month of august, maximum temperature is 41°F and minimum temperature is 38°F (for an average temperature of 40°F). The climate is quite more than very fresh in this city in the month of august. Do not forget to take with you warm clothes! With about 2.4in over 4 days, rainfall is infrequent throughout your stay.
| August | |||
| Average temperature | 40°F | ||
| Highest temperature | 41°F | ||
| Lowest temperature | 38°F | ||
| Rainfall | 2.4in | ||
| Number of days with rainfall | 4 day(s) (13%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 70% | ||
| Length of day | 18:42 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Dillingham in august
In the month of august, the mean temperature in Dillingham is 56°F (maximum temperature is 63°F and minimum temperature is 50°F). The climate is quite cold here in august, but it is liveable by dressing cosy. With 5.6in over 8 days, rain may occur throughout your trip. But this is rather reasonably and you will not be too bothered by it.
With a correct climate, the month of august is okay (but not good time) for traveling in this locality.
| August | |||
| Average temperature | 56°F | ||
| Highest temperature | 63°F | ||
| Lowest temperature | 50°F | ||
| Sea temperature | 55°F | ||
| Rainfall | 5.6in | ||
| Number of days with rainfall | 8 day(s) (25%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 61% | ||
| Length of day | 15:27 | ||
| Our opinion at whereandwhen.net | tolerable |
All cities in Alaska in august
| Anchorage in august | good weather |
| Fairbanks in august | good weather |
| Anchor Point in august | tolerable weather |
| Barrow in august | very bad weather |
| Dillingham in august | tolerable weather |
| Dutch Harbor in august | bad weather |
| Healy in august | tolerable weather |
| Hooper Bay in august | bad weather |
| Ketchikan in august | tolerable weather |
| Tok in august | tolerable weather |
| Cordova in august | tolerable weather |
| Denali National Park in august | bad weather |
| Gambell (St. Lawrence Island) in august | bad weather |
| Gates of the Arctic National Park in august | very bad weather |
| Goodnews Bay in august | tolerable weather |
| Haines in august | tolerable weather |
| Katmai National Park in august | tolerable weather |
| Kenai in august | good weather |
| Kobuk Valley National Park in august | tolerable weather |
| Kodiak in august | tolerable weather |
| Kotzebue in august | tolerable weather |
| Lake Clark National Park in august | tolerable weather |
Weather data for Alaska in august:
Weather data for Alaska in august is derived from an average of the weather forecast since 2009 in Alaska. There is a margin of error and these forecasts are to be considered as general information only. The weather in Alaska can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Alaska.