Zip 99588 (Glennallen, AK) Climate

The climate in 99588 Glennallen, AK is diverse and ever-changing. During summer months, temperatures can range from mild to hot with average highs reaching into the 70s and sometimes even 80s. Winters are colder and snowfall is common, with average lows ranging from -10 to 10°F. Annual precipitation in the area tends to be light but does vary by season; spring tends to be the wettest season while autumn is usually the driest.

Glennallen (zip 99588), Alaska gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Glennallen (zip 99588) averages 58 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 133 sunny days per year in Glennallen (zip 99588). The US average is 205 sunny days.

Glennallen (zip 99588) gets some kind of precipitation, on average, 96 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 70 degrees
Winter Low: the January low is -12
Rain: averages 12 inches of rain a year
Snow: averages 58 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99588 zip code is 5.1 (10=best), which means it is more comfortable than most places in Alaska.

8.2 Summer - 2 Winter

July, June and August are the most pleasant months in the 99588 zip code, while December and January are the least comfortable months.

Climate	Glennallen, Alaska	United States
	12.3 in.	38.1 in.
	58.1 in.	27.8 in.
	96.4 days	106.2 days
	133 days	205 days
	69.7°	85.8°
	-11.9°	21.7°
	5.1	7
	1.4	4.3
	1495 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 the 99588 zip code with an average high temperature of 69.7°, which ranks it as warmer than most places in Alaska. In the 99588 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 99588 zip code are July, June and August.

In the 99588 zip code, 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 the 99588 zip code with an average of -11.9°. This is colder than most places in Alaska.

In the 99588 zip code, there are 243.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Alaska.

In the 99588 zip code, there are 97.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Alaska.

Humidity is low in the 99588 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.

August is the wettest month in the 99588 zip code with 1.9 inches of rain, and the driest month is April with 0.2 inches. The wettest season is Autumn with 43% of yearly precipitation and 11% occurs in Summer, which is the driest season. The annual rainfall of 12.3 inches in the 99588 zip code means that it is drier than most places in Alaska.

August is the rainiest month in the 99588 zip code with 12.7 days of rain, and April is the driest month with only 2.7 rainy days. There are 96.4 rainy days annually in the 99588 zip code, which is less rainy than most places in Alaska. The rainiest season is Autumn when it rains 36% of the time and the driest is Summer with only a 13% chance of a rainy day.

An annual snowfall of 58.1 inches in the 99588 zip code means that it is less snowy than most places in Alaska. November is the snowiest month in the 99588 zip code with 11.1 inches of snow, and 8 months of the year have significant snowfall.

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