Alaska weather averages

Going to Alaska? Find the best month to visit Alaska based on the weather.

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Check Alaska weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Alaska is expected to be 19°C, while the average maximum temperature in July is 19°C. The holiday weather guide shown above is for Anchorage.

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More about Alaska

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Metric (°C / mm)  |  Imperial (°F / inches)

Alaska weather averages: best month

Alaska Best month Averages
Warmest July 19°C
Sunniest May & June 9 hours per day
Least rain April 7 days
Warmest sea August 14°C

Alaska climate guide

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Alaska weather overview

The largest of the American states is a popular haunt for cruise ships in the summer months when people flock from all over the world to view its wildlife and dramatic glaciers. Much of the state is mountainous, hence those glaciers, but there are broad lowlands in the interior which, together with the north coast, have an Arctic or subarctic climate of permanent snow and ice.

Summers in Alaska, though brief, are surprisingly warm; cruise passengers stand in shirtsleeves taking pictures of icebergs in temperatures which can reach 30°C (mid 80°F). However, rain can be very heavy in summer along the coast, which is generally cooler than inland. Conversely, the coastline gets milder weather during Alaska's long, dark and severe winters.

Visit in June to make the most of sunny days and, in some parts, the 'white nights' which make them endless. Whenever you go, be prepared for cloudy, foggy days.

What to pack for Alaska weather

Take light to medium clothes in the summer with sturdy boots and effective waterproofs. In winter, take the works: thermal underwear, windproof and waterproof clothing, warm hats, gloves and boots, scarves and ear mutts as the winter wind chill can be a killer.

Alaska weather averages by month

Check Alaska holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Alaska weather with the USA

Below the Alaska weather chart shows maximum daytime temperature for Alaska, USA (Anchorage) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Alaska, USA (Anchorage)
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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More Alaska destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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