Zip 99918 (Coffman Cove, AK) Climate

99918 Coffman Cove, AK has a temperate oceanic climate with cool summers and mild winters. The temperature rarely goes below freezing during the winter months, while in summer the average temperatures remain relatively low. Rainfall is abundant throughout the year, with over 200 days of precipitation each year. This results in a humid environment and lush vegetation around the area. Winters are often cloudy and wet, but sunny days can be expected more frequently as spring approaches. Summers are usually warm with temperatures reaching into the high-60s to mid-70s Fahrenheit (18-24 Celsius). Precipitation is highest during the fall months, when strong storms may occur, but overall rainfall remains consistent throughout the year.

Coffman Cove (zip 99918), Alaska gets 87 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Coffman Cove (zip 99918) averages 77 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 100 sunny days per year in Coffman Cove (zip 99918). The US average is 205 sunny days.

Coffman Cove (zip 99918) gets some kind of precipitation, on average, 246 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 64 degrees
Winter Low: the January low is 31
Rain: averages 87 inches of rain a year
Snow: averages 77 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99918 zip code is 5.5 (10=best), which means it is more comfortable than most places in Alaska.

7.6 Summer - 3.6 Winter

August, July and June are the most pleasant months in the 99918 zip code, while January and December are the least comfortable months.

Climate	Coffman Cove, Alaska	United States
	86.9 in.	38.1 in.
	76.7 in.	27.8 in.
	246.3 days	106.2 days
	100 days	205 days
	64.0°	85.8°
	30.5°	21.7°
	5.5	7
	1.3	4.3
	197 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.

August is the hottest month for the 99918 zip code with an average high temperature of 64.5°, which ranks it as about average compared to other places in Alaska. In the 99918 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 99918 zip code are August, July and June.

In the 99918 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 99918 zip code with an average of 30.5°. This is one of the warmest places in Alaska.

In the 99918 zip code, there are 75.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Alaska.

In the 99918 zip code, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Alaska.

Humidity is low in the 99918 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.

October is the wettest month in the 99918 zip code with 12.2 inches of rain, and the driest month is June with 3.6 inches. The wettest season is Winter with 37% of yearly precipitation and 16% occurs in Autumn, which is the driest season. The annual rainfall of 86.9 inches in the 99918 zip code means that it is one of the wettest places in Alaska.

October is the rainiest month in the 99918 zip code with 25.1 days of rain, and June is the driest month with only 17.2 rainy days. There are 246.3 rainy days annually in the 99918 zip code, which is one of the rainiest places in Alaska. The rainiest season is Winter when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

An annual snowfall of 76.7 inches in the 99918 zip code means that it is snowier than most places in Alaska. January is the snowiest month in the 99918 zip code with 21.9 inches of snow, and 7 months of the year have significant snowfall.

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