Zip 99561 (Chefornak, AK) Climate

The climate of 99561 Chefornak, AK is subarctic and generally cold. Summer temperatures in the area range from cool to mild, with average July highs reaching around 55°F. Winters are long and cold, with January lows averaging about 2°F. The area experiences an average of 30 inches of precipitation annually, primarily in the form of snowfall. Although snowfall totals can vary greatly from year to year, extreme weather events such as blizzards and extreme cold snaps are not uncommon.

Chefornak (zip 99561), Alaska gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chefornak (zip 99561) averages 62 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 127 sunny days per year in Chefornak (zip 99561). The US average is 205 sunny days.

Chefornak (zip 99561) gets some kind of precipitation, on average, 146 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 1
Rain: averages 19 inches of rain a year
Snow: averages 62 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99561 zip code is 4.6 (10=best), which means it is less comfortable than most places in Alaska.

7.5 Summer - 2.1 Winter

July, June and August are the most pleasant months in the 99561 zip code, while January and December are the least comfortable months.

Climate	Chefornak, Alaska	United States
	Unlock	38.1 in.
	61.8 in.	Unlock
	Unlock	106.2 days
	127 days	Unlock
	63.4°	85.8°
	Unlock	21.7°
	4.6	Unlock
	Unlock	4.3
	21 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 99561 zip code with an average high temperature of 63.4°, which ranks it as about average compared to other places in Alaska. In the 99561 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 99561 zip code are July, June and August.

In the 99561 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 99561 zip code with an average of 0.8°. This is about average compared to other places in Alaska.

In the 99561 zip code, there are 214.3 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Alaska.

In the 99561 zip code, there are 59.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Alaska.

Humidity is low in the 99561 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 99561 zip code with 3.3 inches of rain, and the driest month is February with 0.7 inches. The wettest season is Autumn with 40% of yearly precipitation and 13% occurs in Summer, which is the driest season. The annual rainfall of 18.5 inches in the 99561 zip code means that it is about average compared to other places in Alaska.

August is the rainiest month in the 99561 zip code with 18.0 days of rain, and February is the driest month with only 7.7 rainy days. There are 146.1 rainy days annually in the 99561 zip code, which is rainier than most places in Alaska. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 61.8 inches in the 99561 zip code means that it is about average compared to other places in Alaska. November is the snowiest month in the 99561 zip code with 12.9 inches of snow, and 9 months of the year have significant snowfall.