Unalaska, AK Climate


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United States / Alaska / No Metro Area / Aleutians West Census Area County / Unalaska / Zip Codes
Unalaska, AK has a maritime climate that is moderated by the surrounding seas. Summers are cool and winters are mild with average temperatures rarely dropping below freezing. Precipitation in the form of rain and snow is fairly consistent throughout the year, with an average annual total of nearly 40 inches. The weather can be unpredictable and change frequently, so it is wise to come prepared for any type of weather as conditions can shift quickly.

Unalaska, Alaska gets 62 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Unalaska averages 95 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 74 sunny days per year in Unalaska. The US average is 205 sunny days.

Unalaska gets some kind of precipitation, on average, 225 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 57 degrees
Winter Low: the January low is 28
Rain: averages 62 inches of rain a year
Snow: averages 95 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Unalaska is 4.9 (10=best), which means it is about average compared to other places in Alaska.

7 Summer - 3.2 Winter
August, July and June are the most pleasant months in Unalaska, while January and February are the least comfortable months.

  ClimateUnalaska, AlaskaUnited States
  61.6 in.38.1 in.
  94.9 in.27.8 in.
  225.4 days106.2 days
  74 days205 days
  57.0°85.8°
  27.7°21.7°
  4.97
  1.24.3
  13 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

August is the hottest month for Unalaska with an average high temperature of 58.7°, which ranks it as cooler than most places in Alaska. In Unalaska, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Unalaska are August, July and September.
In Unalaska, there are 0.0 days annually when the high temperature is over 90°, which is about average compared to other places in Alaska.
January has the coldest nighttime temperatures for Unalaska with an average of 27.7°. This is one of the warmest places in Alaska.
In Unalaska, there are 120.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Alaska.
In Unalaska, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Alaska.
Humidity is low in Unalaska, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.
December is the wettest month in Unalaska with 7.9 inches of rain, and the driest month is July with 2.2 inches. The wettest season is Spring with 35% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 61.6 inches in Unalaska means that it is wetter than most places in Alaska.
October is the rainiest month in Unalaska with 23.4 days of rain, and July is the driest month with only 12.9 rainy days. There are 225.4 rainy days annually in Unalaska, which is rainier than most places in Alaska. The rainiest season is Winter when it rains 29% of the time and the driest is Autumn with only a 19% chance of a rainy day.
An annual snowfall of 94.9 inches in Unalaska means that it is snowier than most places in Alaska. January is the snowiest month in Unalaska with 26.0 inches of snow, and 7 months of the year have significant snowfall.
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Tucker · Grand Rapids, OH
Lets GO
Over 3 years ago

I love it here there are so many people to talk to very many ways to get the newest kinds of items and its a grand old place very similar to my place in  More

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