Alaska Weather by Month: Temperature & Rainfall Guide

Alaska is a region in the United States of America. Many people wonder what the weather conditions are in Alaska over the year. What is the best time to visit Alaska?

This page shows the average weather conditions by month in Alaska over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

Alaska in January

In January the weather in Alaska is generally less favorable. January is a winter month. The temperatures range from very low in Point Barrow with -20°C (-4°F) to low in Ketchikan with 4°C (39°F). On average, this month is one of the coldest months of the year in Alaska. So be prepared and make sure to dress up warm.

Find more detailed climate information for Alaska in January here.

perfect weather
pleasant
tolerable
unpleasant
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Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in February

In February the weather in Alaska is generally less favorable. February is a winter month. The temperatures range from very low in Point Barrow with -19°C (-2°F) to low in Ketchikan with 5°C (41°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Alaska in February here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in March

In March the weather in Alaska is generally less favorable. The temperatures range from very low in Point Barrow with -18°C (0°F) to low in Ketchikan with 6°C (43°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Alaska in March here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in April

In April the weather in Alaska ranges from less favorable in Anchorage to mixed in Fairbanks. The temperatures range from very low in Point Barrow with -10°C (14°F) to low in Ketchikan with 9°C (48°F).

Find more detailed climate information for Alaska in April here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in May

In May the weather in Alaska ranges from less favorable in Juneau to very good in Fairbanks. The temperatures range from very low in Point Barrow with -1°C (30°F) to moderate in North Pole with 17°C (63°F).

Find more detailed climate information for Alaska in May here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in June

In June the weather in Alaska ranges from less favorable in Juneau to excellent in Fairbanks. June is a summer month. The temperatures range from low in Point Barrow with 6°C (43°F) to high in North Pole with 22°C (72°F).

Find more detailed climate information for Alaska in June here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in July

In July the weather in Alaska ranges from less favorable in Juneau to excellent in Fairbanks. July is a summer month. The temperatures range from low in Denali National Park and Preserve with 8°C (46°F) to high in North Pole with 23°C (73°F). On average, this month is the warmest month of the year in Alaska.

Find more detailed climate information for Alaska in July here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in August

In August the weather in Alaska ranges from less favorable in Juneau to excellent in North Pole. August is a summer month. The temperatures range from low in Denali National Park and Preserve with 6°C (43°F) to pleasant in North Pole with 20°C (68°F).

Find more detailed climate information for Alaska in August here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in September

In September the weather in Alaska ranges from less favorable in Anchorage to good in North Pole. The temperatures range from very low in Denali National Park and Preserve with 1°C (34°F) to moderate in Wrangell with 15°C (59°F).

Find more detailed climate information for Alaska in September here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in October

In October the weather in Alaska is generally less favorable. The temperatures range from very low in Denali National Park and Preserve with -6°C (21°F) to low in Ketchikan with 11°C (52°F).

Find more detailed climate information for Alaska in October here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in November

In November the weather in Alaska is generally less favorable. The temperatures range from very low in Point Barrow with -11°C (12°F) to low in Ketchikan with 7°C (45°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Alaska in November here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Alaska in December

In December the weather in Alaska is generally less favorable. December is a winter month. The temperatures range from very low in Point Barrow with -18°C (0°F) to low in Ketchikan with 5°C (41°F). It is a very cold month in some areas, so be prepared and make sure to dress up warm.

Find more detailed climate information for Alaska in December here.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Top destinations

More climate information for the top 5 destinations in Alaska:

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