Koyuk, AK Climate


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Koyuk, AK has a very cold climate with temperatures dropping to -20°F during the winter months. Snowfall is common in the winter and spring, typically averaging 40 inches each season. The summers are mild with highs reaching around 60°F. Due to its location on the Arctic Circle, Koyuk experiences long summer days and short winter days, making it a unique destination for outdoor activities during certain times of year.

Koyuk, Alaska gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Koyuk averages 78 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 153 sunny days per year in Koyuk. The US average is 205 sunny days.

Koyuk gets some kind of precipitation, on average, 113 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 68 degrees
Winter Low: the January low is -16
Rain: averages 21 inches of rain a year
Snow: averages 78 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Koyuk is 4.7 (10=best), which means it is less comfortable than most places in Alaska.

8.1 Summer - 1.7 Winter
July, June and August are the most pleasant months in Koyuk, while December and February are the least comfortable months.

  ClimateKoyuk, AlaskaUnited States
  21.0 in.38.1 in.
  77.9 in.27.8 in.
  113.2 days106.2 days
  153 days205 days
  67.9°85.8°
  -15.5°21.7°
  4.77
  1.44.3
  23 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.

July is the hottest month for Koyuk with an average high temperature of 67.9°, which ranks it as warmer than most places in Alaska. In Koyuk, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Koyuk are July, June and August.
In Koyuk, there are 0.2 days annually when the high temperature is over 90°, which is one of the hottest places in Alaska.
January has the coldest nighttime temperatures for Koyuk with an average of -15.5°. This is colder than most places in Alaska.
In Koyuk, there are 243.8 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Alaska.
In Koyuk, there are 104.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Alaska.
Humidity is low in Koyuk, 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.
August is the wettest month in Koyuk with 3.2 inches of rain, and the driest month is March with 0.9 inches. The wettest season is Autumn with 32% of yearly precipitation and 14% occurs in Summer, which is the driest season. The annual rainfall of 21.0 inches in Koyuk means that it is wetter than most places in Alaska.
August is the rainiest month in Koyuk with 13.8 days of rain, and May is the driest month with only 5.0 rainy days. There are 113.2 rainy days annually in Koyuk, which is less rainy than most places in Alaska. The rainiest season is Winter when it rains 30% of the time and the driest is Summer with only a 16% chance of a rainy day.
An annual snowfall of 77.9 inches in Koyuk means that it is snowier than most places in Alaska. February is the snowiest month in Koyuk with 14.7 inches of snow, and 7 months of the year have significant snowfall.
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