Zip 99788 (Chalkyitsik, AK) Climate

The climate in 99788 Chalkyitsik, AK is typical for the region. The winters are cold and long, with temperatures reaching as low as -45 degrees Fahrenheit. Summers are much milder and shorter, with temperatures ranging from 40 to 70 degrees Fahrenheit. Precipitation in Chalkyitsik is light throughout the year, with the most precipitation occurring in August and September due to the summer monsoon season. Snowfall is common in winter, but it tends to be light overall. In general, the weather in Chalkyitsik is clear and dry for most of the year, making it an ideal place to enjoy outdoor activities during the warmer months.

Chalkyitsik (zip 99788), Alaska gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Chalkyitsik (zip 99788) averages 48 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 153 sunny days per year in Chalkyitsik (zip 99788). The US average is 205 sunny days.

Chalkyitsik (zip 99788) gets some kind of precipitation, on average, 87 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 73 degrees
Winter Low: the January low is -24
Rain: averages 12 inches of rain a year
Snow: averages 48 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99788 zip code is 5.1 (10=best), which means it is more comfortable than most places in Alaska.

8.8 Summer - 2 Winter

June, July and August are the most pleasant months in the 99788 zip code, while January and December are the least comfortable months.

Climate	Chalkyitsik, Alaska	United States
	Unlock	38.1 in.
	47.9 in.	Unlock
	Unlock	106.2 days
	153 days	Unlock
	73.3°	85.8°
	Unlock	21.7°
	5.1	Unlock
	Unlock	4.3
	556 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 99788 zip code with an average high temperature of 73.3°, which ranks it as one of the hottest places in Alaska. In the 99788 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 99788 zip code are July, June and August.

In the 99788 zip code, there are 0.4 days annually when the high temperature is over 90°, which is one of the hottest places in Alaska.

January has the coldest nighttime temperatures for the 99788 zip code with an average of -24.0°. This is one of the coldest places in Alaska.

In the 99788 zip code, there are 249.9 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Alaska.

In the 99788 zip code, there are 147.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Alaska.

Humidity in the 99788 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.

July is the wettest month in the 99788 zip code with 2.6 inches of rain, and the driest month is February with 0.3 inches. The wettest season is Autumn with 51% of yearly precipitation and 11% occurs in Summer, which is the driest season. The annual rainfall of 12.2 inches in the 99788 zip code means that it is drier than most places in Alaska.

July is the rainiest month in the 99788 zip code with 10.9 days of rain, and April is the driest month with only 4.3 rainy days. There are 86.7 rainy days annually in the 99788 zip code, which is one of the least rainy places in Alaska. The rainiest season is Autumn when it rains 35% of the time and the driest is Summer with only a 16% chance of a rainy day.

An annual snowfall of 47.9 inches in the 99788 zip code means that it is less snowy than most places in Alaska. October is the snowiest month in the 99788 zip code with 9.1 inches of snow, and 9 months of the year have significant snowfall.

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