Grays Harbor County, WA Climate

Grays Harbor is located in the Pacific Northwest along the coast of Washington state and has a moderate, coastal climate. The summer temperatures are mild, rarely exceeding 80 degrees Fahrenheit, while winter temperatures typically range from 35 to 50 degrees. Rainfall is plentiful in Grays Harbor with an average of over 127 inches per year. Throughout the year, the area experiences mild ocean breezes and fog due to its close proximity to the Pacific Ocean. Winters are generally wet and cloudy while summers remain fairly dry with occasional afternoon thunderstorms.

Grays Harbor County, Washington gets 86 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Grays Harbor County averages 3 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 129 sunny days per year in Grays Harbor County. The US average is 205 sunny days.

Grays Harbor County gets some kind of precipitation, on average, 185 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 71 degrees
Winter Low: the January low is 36
Rain: averages 86 inches of rain a year
Snow: averages 3 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Grays Harbor County is 6.8 (10=best), which means it is less comfortable than most places in Washington.

8.7 Summer - 5 Winter

August, July and September are the most pleasant months in Grays Harbor County, while December and January are the least comfortable months.

Climate	Grays Harbor, Washington	United States
	86.2 in.	38.1 in.
	2.6 in.	27.8 in.
	184.8 days	106.2 days
	129 days	205 days
	71.2°	85.8°
	36.0°	21.7°
	6.8	7
	2.7	4.3
	509 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 Grays Harbor County with an average high temperature of 72.1°, which ranks it as one of the coolest places in Washington. In Grays Harbor County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grays Harbor County are August, July and September.

In Grays Harbor County, there are 2.5 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

December has the coldest nighttime temperatures for Grays Harbor County with an average of 34.7°. This is warmer than most places in Washington.

In Grays Harbor County, there are 46.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

In Grays Harbor County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

Humidity in Grays Harbor County 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 August, July and September.

November is the wettest month in Grays Harbor County with 14.0 inches of rain, and the driest month is July with 1.4 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 86.2 inches in Grays Harbor County means that it is one of the wettest places in Washington.

January is the rainiest month in Grays Harbor County with 21.8 days of rain, and July is the driest month with only 6.8 rainy days. There are 184.8 rainy days annually in Grays Harbor County, which is one of the rainiest places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 14% chance of a rainy day.

An annual snowfall of 2.6 inches in Grays Harbor County means that it is less snowy than most places in Washington. February is the snowiest month in Grays Harbor County with 0.8 inches of snow, and 2 months of the year have significant snowfall.

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