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What’s the climate like in Alaska?

The current climate of Alaska features average monthly temperatures ranging from highs of 22°C during the day to lows of -13°C. The average yearly temperature is around 5°C. At night, temperatures in the colder months average around -21°C and in the warmer months around 11°C.

The highest temperature recorded in Alaska in recent years was 33°C in August 2016. The lowest daytime temperature recorded was -38°C in January 2017.

On average, Alaska gets 376 mm of precipitation each year. Of this, about 186 cm is snowfall. For comparison, UK gets 701 mm of precipitation each year.

The climate of Alaska is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Alaska for a full picture of the climate.

Best time to visit Alaska?

The best time to visit Alaska for pleasant to warm weather is May. There might be some rain during this period, but the temperatures are just right for exploring Alaska.

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Climate Table of Alaska

The climate table of Alaska shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) -13 -9 -3 6 16 20 22 18 12 3 -7 -8
Temp. min (°C) -21 -19 -15 -6 4 9 12 10 4 -4 -14 -16
Precipitation
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Precipitation (mm) 7,8 21 13 13 18 47 60 78 42 24 21 31
Snow (cm) 14 38 16 10 1,9 0 0 0,2 2,8 22 50 32
UV Index 0 2 2 5 5 6 5 4 3 1 1 0

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 5°C
  • Highest temperature: 22°C in July
  • Lowest temperature: -13°C in January
  • Precipitation*: 376 mm per year, averaging 31 mm per month
  • Snowfall: 186 cm per year
  • Driest months: 7,8 mm in January, 13 mm in March and April
  • Wettest months: 78 mm in August, 60 mm in July and 47 mm in June

*Precipitation is measured as a combination of rain, snow, and hail

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Average Temperature per Month in Alaska

This graph shows the average maximum temperatures per month in Alaska, United States. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Alaska, United States,

Average Precipitation per Month in Alaska

This graph shows how much precipitation Alaska, United States, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.

Precipitation per Month in Alaska, United States,

Average Snowfall per Month in Alaska

This graph shows how much snow Alaska, United States, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Alaska, United States,

Average UV Index per Month in Alaska

This graph shows the average UV index per month in Alaska, United States. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Alaska, United States,

Yearly Temperature in Alaska

This graph shows the average yearly temperature in Alaska, United States. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Alaska, United States,

Total Yearly Precipitation in Alaska

This chart shows the total yearly precipitation in Alaska, United States, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Alaska, United States,

Total Yearly Snowfall in Alaska

This chart shows the total yearly snowfall in Alaska, United States, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Alaska, United States,

Weather experiences in Alaska

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Average Weather in Alaska by Month

Click on a month below to see detailed weather info for Alaska. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

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