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Alaska weather in August 2026
Expect daytime maximum temperatures of 17°C in Alaska, USA in August based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 64 mm of rainfall in the month.
- 17°C max day temperature
17
- 7 hours of sunshine per day
- 14 days with some rainfall
14
- 9°C min night temperature
9
- 16 hours of daylight per day
16
- No heat & humidity
0
- 64 mm of monthly rainfall
64
- 4 (Moderate) UV index
4
- 14°C sea temperature
14
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The August weather guide for Alaska (Anchorage) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Alaska destinations
Below are average maximum temperatures at popular countries, regions and places in Alaska in August. Select a holiday destination to see more weather parameters.
All Alaska destinations
- Anchorage
- Barrow
- Bethel
- Cordova
- Craig
- Deadhorse
- Denali National Park
- Dutch Harbor
- Fairbanks
- Homer
- Juneau
- Ketchikan
- Kodiak
- Nome
- Yakutat
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How warm is it in Alaska in August?
Daytime temperatures usually reach 17°C in Anchorage, Alaska in August, falling to 9°C at night.
How sunny is it in Alaska in August?
There are normally 7 hours of bright sunshine each day in Anchorage, Alaska in August - that's 41% of daylight hours.
How warm is the sea around Alaska in August?
The average sea temperature around Anchorage, Alaska in August is 14°C.
Does it rain in Alaska in August?
There are usually 14 days with some rain in Anchorage, Alaska in August and the average monthly rainfall is 64mm.
Alaska August sunrise & sunset times
Browse the sunrise and sunset times for Alaska in August 2026. Select a month to view Alaska sunrise and sunset times for the next 12 months. The Alaska sunrise and sunset times shown below are for Anchorage.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Saturday, 1st August 2026 | 04:33 | 21:37 |
Sunday, 16th August 2026 | 05:11 | 20:54 |
Monday, 31st August 2026 | 05:50 | 20:08 |
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