Zip 99517 (Anchorage, AK) Climate

99517 Anchorage, AK has a subarctic climate with mild summers and cold winters. Summers are usually cool, with temperatures rarely exceeding 70 degrees Fahrenheit, while winters can be very cold and snowy, with temperatures often dropping to well below zero. Precipitation is common throughout the year, but winter months tend to experience more snow than other seasons. Overall, Anchorage's climate is quite pleasant and provides an abundance of outdoor activities for its residents.

Anchorage (zip 99517), Alaska gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Anchorage (zip 99517) averages 79 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 126 sunny days per year in Anchorage (zip 99517). The US average is 205 sunny days.

Anchorage (zip 99517) gets some kind of precipitation, on average, 114 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 67 degrees
Winter Low: the January low is 12
Rain: averages 17 inches of rain a year
Snow: averages 79 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99517 zip code is 5.6 (10=best), which means it is one of the most pleasant places in Alaska.

8.4 Summer - 2.9 Winter

July, June and August are the most pleasant months in the 99517 zip code, while December and January are the least comfortable months.

Climate	Anchorage, Alaska	United States
	Unlock	38.1 in.
	78.5 in.	Unlock
	Unlock	106.2 days
	126 days	Unlock
	66.8°	85.8°
	Unlock	21.7°
	5.6	Unlock
	Unlock	4.3
	58 ft.	Unlock

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 the 99517 zip code with an average high temperature of 66.8°, which ranks it as warmer than most places in Alaska. In the 99517 zip code, there are 0 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 99517 zip code are July, August and June.

In the 99517 zip code, 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 the 99517 zip code with an average of 11.6°. This is warmer than most places in Alaska.

In the 99517 zip code, there are 183.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Alaska.

In the 99517 zip code, there are 16.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Alaska.

Humidity in the 99517 zip code is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

August is the wettest month in the 99517 zip code with 3.2 inches of rain, and the driest month is April with 0.5 inches. The wettest season is Winter with 37% of yearly precipitation and 11% occurs in Summer, which is the driest season. The annual rainfall of 16.7 inches in the 99517 zip code means that it is drier than most places in Alaska.

August is the rainiest month in the 99517 zip code with 14.5 days of rain, and April is the driest month with only 5.0 rainy days. There are 113.9 rainy days annually in the 99517 zip code, which is less rainy than most places in Alaska. The rainiest season is Winter when it rains 31% of the time and the driest is Summer with only a 16% chance of a rainy day.

An annual snowfall of 78.5 inches in the 99517 zip code means that it is snowier than most places in Alaska. December is the snowiest month in the 99517 zip code with 17.8 inches of snow, and 7 months of the year have significant snowfall.

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