Zip 99540 (Anchorage, AK) Climate

99540 Anchorage, AK has a mild, maritime climate with relatively cool summers and mild winters. The average temperature in the summer is around 61°F (16°C), while in the winter it is around 28°F (-2°C). Rainfall is fairly consistent throughout the year with an average of 19 inches (48 cm) per year. Snowfall is common in winter, usually from late October to early April, and can be heavy at times. Anchorage experiences about 105 days of sunshine each year, making it one of Alaska's sunniest cities.

Anchorage (zip 99540), Alaska gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Anchorage (zip 99540) averages 173 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 99540). The US average is 205 sunny days.

Anchorage (zip 99540) gets some kind of precipitation, on average, 122 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 63 degrees
Winter Low: the January low is 12
Rain: averages 23 inches of rain a year
Snow: averages 173 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99540 zip code is 5.0 (10=best), which means it is about average compared to other places in Alaska.

7.7 Summer - 2.5 Winter

July, August and June are the most pleasant months in the 99540 zip code, while December and January are the least comfortable months.

Climate	Anchorage, Alaska	United States
	Unlock	38.1 in.
	173.4 in.	Unlock
	Unlock	106.2 days
	126 days	Unlock
	62.8°	85.8°
	Unlock	21.7°
	5	Unlock
	Unlock	4.3
	1336 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 99540 zip code with an average high temperature of 62.8°, which ranks it as cooler than most places in Alaska. In the 99540 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 99540 zip code are July, August and June.

In the 99540 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 99540 zip code with an average of 12.4°. This is warmer than most places in Alaska.

In the 99540 zip code, there are 199.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Alaska.

In the 99540 zip code, there are 16.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Alaska.

Humidity is low in the 99540 zip code, 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.

September is the wettest month in the 99540 zip code with 3.9 inches of rain, and the driest month is April with 0.9 inches. The wettest season is Winter with 36% of yearly precipitation and 14% occurs in Summer, which is the driest season. The annual rainfall of 22.5 inches in the 99540 zip code means that it is wetter than most places in Alaska.

September is the rainiest month in the 99540 zip code with 14.3 days of rain, and April is the driest month with only 6.6 rainy days. There are 122.2 rainy days annually in the 99540 zip code, which is about average compared to other places in Alaska. The rainiest season is Winter when it rains 30% of the time and the driest is Summer with only a 18% chance of a rainy day.

An annual snowfall of 173.4 inches in the 99540 zip code means that it is one of the snowiest places in Alaska. December is the snowiest month in the 99540 zip code with 41.0 inches of snow, and 9 months of the year have significant snowfall.

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