Ketchikan, AK Climate


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United States / Alaska / Ketchikan Metro Area / Ketchikan Gateway Borough County / Ketchikan / Zip Codes
Ketchikan, AK has a mild climate with cool summers and mild winters. The average temperature in the summer is around 56 F (13 C), while the average winter temperature is around 41 F (5 C). Rainfall is plentiful throughout the year, with an annual average of 70 inches per year. Snowfall is minimal, occurring only once or twice per year. In general, temperatures range from lows in the 30's to highs in the mid-60's throughout the year. Due to its temperate climate and abundance of rainfall, Ketchikan has been recognized as one of the greenest cities in Alaska.

Ketchikan, Alaska gets 141 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ketchikan averages 27 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 100 sunny days per year in Ketchikan. The US average is 205 sunny days.

Ketchikan gets some kind of precipitation, on average, 234 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 65 degrees
Winter Low: the January low is 31
Rain: averages 141 inches of rain a year
Snow: averages 27 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Ketchikan is 5.6 (10=best), which means it is one of the most pleasant places in Alaska.

7.7 Summer - 3.7 Winter
July, August and June are the most pleasant months in Ketchikan, while January and December are the least comfortable months.

  ClimateKetchikan, AlaskaUnited States
  141.0 in.38.1 in.
  27.1 in.27.8 in.
  233.7 days106.2 days
  100 days205 days
  64.6°85.8°
  30.7°21.7°
  5.67
  1.44.3
  20 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 Ketchikan with an average high temperature of 64.9°, which ranks it as about average compared to other places in Alaska. In Ketchikan, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ketchikan are August, July and June.
In Ketchikan, there are 0.1 days annually when the high temperature is over 90°, which is hotter than most places in Alaska.
January has the coldest nighttime temperatures for Ketchikan with an average of 30.7°. This is one of the warmest places in Alaska.
In Ketchikan, there are 75.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Alaska.
In Ketchikan, 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 Ketchikan, 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.
October is the wettest month in Ketchikan with 19.5 inches of rain, and the driest month is July with 5.9 inches. The wettest season is Winter with 36% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 141.0 inches in Ketchikan means that it is one of the wettest places in Alaska.
October is the rainiest month in Ketchikan with 24.2 days of rain, and June is the driest month with only 15.6 rainy days. There are 233.7 rainy days annually in Ketchikan, which is one of the rainiest places in Alaska. The rainiest season is Winter when it rains 29% of the time and the driest is Autumn with only a 20% chance of a rainy day.
An annual snowfall of 27.1 inches in Ketchikan means that it is one of the least snowy places in Alaska. December is the snowiest month in Ketchikan with 6.5 inches of snow, and 6 months of the year have significant snowfall.
Reviews for Ketchikan
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Amy · Ketchikan, AK
Loves & Cheers for Ketchikan from Astoria native.
Over 6 years ago

Am from Astoria, Oregon, just south a bit from Ketchikan. Appreciate this beautiful space above every other place! Cheers to everyone this Holiday  More

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Doolin · Greenwood, IN
Nine years since the last review.
Over 6 years ago

It's been nine years since anyone gave a review for Ketchikan so I thought I'd give one. I do not live there, however, I nearly relocated there when I was interviewing  More

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Wendy  · Ketchikan, AK
Good and not as good
Over 15 years ago

There are many things to do here however there is a large alcohol problem and the drugs are growing. For families who stay connected and are not afraid of the rain,  More

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