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Average weather for Alaska in August

It's cool to moderate in August in Alaska with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 22°C. At night, you can expect temperatures between 6°C and 13°C.

Daily Temperature in August in Alaska

Start of August

The month of August starts in Alaska with mild temps, averaging around 21°C during the day and nights around 12°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

Mid August

By mid-August, daytime temps drop to around 18°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of August

By the end of August, the average daytime temperature in Alaska is around 17°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.

In August, there is an average of 78 mm of precipitation, spread over 13 days. Of the total precipitation, about 0,2 cm falls as snow in August. The wind speed is around 3 Bft, mostly coming from the South.

Alaska in August

New York
Temperature Average temperature
18°C 30°C
Sun Max. temperature
22°C 31°C
Sun Min. temperature
15°C -5°C
Rain Total precipitation
78 mm 79 mm
Rain Rainy days
13 days 13 days
Snow Total snowfall
0,2 cm 0 cm
Snow Snowy days
1 day 0 days

UV index

The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Is August a good time to visit Alaska?

Looking for great weather? August is a good time to be in Alaska. The temperatures are nice, and there’s not too much rain.

Temperature records

With 33°C in 2016, Alaska reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 5°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 17°C.

Check out the climate of Alaska for all months and discover the best travel time

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

Daily Temperature in August in Alaska

This chart shows the average daily high and low temperatures in August for Alaska, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in August in Alaska

Daily Precipitation in August in Alaska

The chart below shows the average daily precipitation in August for Alaska, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 13 days of precipitation in Alaska.

Daily Precipitation in August in Alaska

Daily Snowfall in August in Alaska

This chart shows the average daily snowfall in August in Alaska, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in August.

Daily Snowfall in August in Alaska

Daily UV index in August in Alaska

This chart shows the average daily UV index in August in Alaska, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in August in Alaska

Temperature in August in Alaska over the years

This chart shows the average temperature in August in Alaska, measured in degrees Celsius, over the past few years.

Temperature in August in Alaska Over the Years

Total precipitation in August in Alaska over the years

This chart shows the average precipitation in August in Alaska, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in August in Alaska over the years

Snowfall in August in Alaska per year

This chart shows the average snowfall in August in Alaska, measured in centimeters, over the past few years.

Snowfall in August in Alaska over the past years

Daily weather in August for Alaska

Click on any day in August to get detailed info about the usual weather on that day in Alaska. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in August 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.


Or check out the climate of Alaska for all months at once

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