Alaska weather averages for holidays in 2017/2018

Check Alaska weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in Alaska is expected to be 11°C, while the average maximum temperature in September is 13°C. The holiday weather guide shown below is for Anchorage.

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Alaska weather averages

Check Alaska weather averages before you book your next holiday. The warmest month in Alaska is July with an average maximum temperature of 19°C. The sunniest months are May and June with on average 9 hours of bright sunshine per day. The month with the least number of days with some rain is April with 7 days. The sea is at its warmest in Alaska in August with an average sea temperature of 14°C. The Alaska weather averages shown below are for Anchorage.

Maximum daytime temperature (°C)

Hours of sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Days with some rainfall

Sea temperature (°C)

More weather parameters

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

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Alaska weather today

Here is the weather in Alaska today, Saturday 23rd September 2017. Expect overcast skies in Alaska with a maximum temperature of 11°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east. The weather forecast shown below is for Anchorage.

  • 11
    °C maximum temperature
  • 9
    °C minimum temperature
  • overcast skies
  • 1
    hour of sunshine
  • 0
    mm of rainfall expected
  • 0
    no heat & humidity
  • 9
    kph wind from E

5-day weather forecast

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

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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 holiday 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)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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