Zip 99549 (Port Heiden, AK) Climate

The climate in 99549 Port Heiden, AK is typically cold and snowy. Winters are long with temperatures dropping below freezing from early November to late April. Snowfall can be heavy as this area often sees more than 300 inches of snow annually. Summers are short and mild with average temperatures staying between 40-50 degrees Fahrenheit. The long winter season brings plenty of days for outdoor activities, while the warm summer months provide the perfect time to explore Alaska's breathtaking natural beauty.

Port Heiden (zip 99549), Alaska gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Port Heiden (zip 99549) averages 47 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 117 sunny days per year in Port Heiden (zip 99549). The US average is 205 sunny days.

Port Heiden (zip 99549) gets some kind of precipitation, on average, 156 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 57 degrees
Winter Low: the January low is 29
Rain: averages 20 inches of rain a year
Snow: averages 47 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99549 zip code is 5.6 (10=best), which means it is one of the most pleasant places in Alaska.

7.1 Summer - 4.5 Winter

August, July and September are the most pleasant months in the 99549 zip code, while January and December are the least comfortable months.

Climate	Port Heiden, Alaska	United States
	Unlock	38.1 in.
	46.6 in.	Unlock
	Unlock	106.2 days
	117 days	Unlock
	57.2°	85.8°
	Unlock	21.7°
	5.6	Unlock
	Unlock	4.3
	80 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.

August is the hottest month for the 99549 zip code with an average high temperature of 58.1°, which ranks it as one of the coolest places in Alaska. In the 99549 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 99549 zip code are August, July and September.

In the 99549 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 99549 zip code with an average of 28.6°. This is one of the warmest places in Alaska.

In the 99549 zip code, there are 91.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Alaska.

In the 99549 zip code, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Alaska.

Humidity is low in the 99549 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 99549 zip code with 3.2 inches of rain, and the driest month is March with 0.7 inches. The wettest season is Autumn with 36% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 19.5 inches in the 99549 zip code means that it is about average compared to other places in Alaska.

September is the rainiest month in the 99549 zip code with 18.0 days of rain, and March is the driest month with only 9.1 rainy days. There are 156.0 rainy days annually in the 99549 zip code, which is rainier than most places in Alaska. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 46.6 inches in the 99549 zip code means that it is less snowy than most places in Alaska. January is the snowiest month in the 99549 zip code with 10.2 inches of snow, and 8 months of the year have significant snowfall.

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