Zip 98579 (Rochester, WA) Climate

Rochester, WA 98579 is located in the Northwest part of Washington State. The climate in this area is moderate and temperate. Summers are generally warm and humid, while winters are cold with some snowfall. Precipitation levels are average throughout the year with an average annual temperature of around 48° F. Winters tend to be wet and mild, while summers are dry and hot. The area gets an average of 33 inches of rain per year and has about 167 sunny days per year on average.

Rochester (zip 98579), Washington gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rochester (zip 98579) averages 6 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 136 sunny days per year in Rochester (zip 98579). The US average is 205 sunny days.

Rochester (zip 98579) gets some kind of precipitation, on average, 160 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 78 degrees
Winter Low: the January low is 35
Rain: averages 51 inches of rain a year
Snow: averages 6 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 98579 zip code is 7.2 (10=best), which means it is more comfortable than most places in Washington.

9.1 Summer - 5.2 Winter

July, August and September are the most pleasant months in the 98579 zip code, while December and January are the least comfortable months.

Climate	Rochester, Washington	United States
	Unlock	38.1 in.
	5.7 in.	Unlock
	Unlock	106.2 days
	136 days	Unlock
	77.8°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	188 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 98579 zip code with an average high temperature of 78.7°, which ranks it as about average compared to other places in Washington. In the 98579 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 98579 zip code are July, August and September.

In the 98579 zip code, there are 6.3 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

December has the coldest nighttime temperatures for the 98579 zip code with an average of 33.5°. This is about average compared to other places in Washington.

In the 98579 zip code, there are 56.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In the 98579 zip code, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

Humidity in the 98579 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 August, July and September.

November is the wettest month in the 98579 zip code with 8.6 inches of rain, and the driest month is July with 0.7 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 50.6 inches in the 98579 zip code means that it is wetter than most places in Washington.

November is the rainiest month in the 98579 zip code with 20.3 days of rain, and July is the driest month with only 4.4 rainy days. There are 159.6 rainy days annually in the 98579 zip code, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

An annual snowfall of 5.7 inches in the 98579 zip code means that it is about average compared to other places in Washington. February is the snowiest month in the 98579 zip code with 2.3 inches of snow, and 4 months of the year have significant snowfall.

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