Pierce County, WA Climate

Pierce, WA County has a temperate climate with low yearly precipitation levels. Average temperatures range from lows in the mid-30s to highs in the upper 70s, and the area receives about 16 inches of rainfall annually. The county is situated in an area that has mild winters and hot summers, and occasional snowfall can occur during the winter months. With its temperate climate, Pierce County offers great conditions for outdoor activities year-round.

Pierce County, Washington gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Pierce County averages 6 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 139 sunny days per year in Pierce County. The US average is 205 sunny days.

Pierce County gets some kind of precipitation, on average, 159 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 77 degrees
Winter Low: the January low is 36
Rain: averages 45 inches of rain a year
Snow: averages 6 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Pierce County is 7.3 (10=best), which means it is more comfortable than most places in Washington.

9.2 Summer - 5.4 Winter

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

Climate	Pierce, Washington	United States
	Unlock	38.1 in.
	5.9 in.	Unlock
	Unlock	106.2 days
	139 days	Unlock
	76.5°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	2211 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 Pierce County with an average high temperature of 76.8°, which ranks it as about average compared to other places in Washington. In Pierce County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pierce County are August, July and September.

In Pierce County, there are 2.8 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

December has the coldest nighttime temperatures for Pierce County with an average of 34.4°. This is warmer than most places in Washington.

In Pierce County, there are 39.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

In Pierce 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 Pierce 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 Pierce County with 7.4 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 39% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 45.4 inches in Pierce County means that it is wetter than most places in Washington.

November is the rainiest month in Pierce County with 19.6 days of rain, and August is the driest month with only 4.9 rainy days. There are 158.6 rainy days annually in Pierce County, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 5.9 inches in Pierce County means that it is about average compared to other places in Washington. December is the snowiest month in Pierce County with 1.6 inches of snow, and 5 months of the year have significant snowfall.

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