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.

In January the weather in Alaska is generally poor. 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.

In February the weather in Alaska is generally poor. 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.

In March the weather in Alaska is generally poor. 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.

In April the weather in Alaska ranges from poor in Anchorage to unpleasant 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.

In May the weather in Alaska ranges from poor in Juneau to pleasant 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.

In June the weather in Alaska ranges from poor in Juneau to perfect 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.

In July the weather in Alaska ranges from poor in Juneau to perfect 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.

In August the weather in Alaska ranges from poor in Juneau to perfect 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.

In September the weather in Alaska ranges from poor in Anchorage to tolerable 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.

In October the weather in Alaska is generally poor. 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.

In November the weather in Alaska is generally poor. 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.

In December the weather in Alaska is generally poor. 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.