Zip 99357 (Royal City, WA) Climate

99357 Royal City, WA has a temperate climate with warm summers and cool winters. Winters are generally mild with occasional snowfalls throughout the season, while summers tend to be hot, dry, and sunny. The average annual temperature is around 50 degrees Fahrenheit (10 degrees Celsius), and the average annual precipitation is about 13.5 inches (34 cm). The area is known for its sunny weather and low humidity levels. In this region, wind speeds can be high in the summer months, but typically they remain mild year-round.

Royal City (zip 99357), Washington gets 8 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Royal City (zip 99357) averages 18 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Royal City (zip 99357). The US average is 205 sunny days.

Royal City (zip 99357) gets some kind of precipitation, on average, 51 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 89 degrees
Winter Low: the January low is 24
Rain: averages 8 inches of rain a year
Snow: averages 18 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99357 zip code is 7.4 (10=best), which means it is one of the most pleasant places in Washington.

8.9 Summer - 5.1 Winter

June, September and May are the most pleasant months in the 99357 zip code, while December and January are the least comfortable months.

Climate	Royal City, Washington	United States
	Unlock	38.1 in.
	17.9 in.	Unlock
	Unlock	106.2 days
	200 days	Unlock
	89.2°	85.8°
	Unlock	21.7°
	7.4	Unlock
	Unlock	4.3
	1099 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.

July is the hottest month for the 99357 zip code with an average high temperature of 89.2°, which ranks it as one of the hottest places in Washington. In the 99357 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 99357 zip code are September, June and May.

In the 99357 zip code, there are 37.0 days annually when the high temperature is over 90°, which is one of the hottest places in Washington.

December has the coldest nighttime temperatures for the 99357 zip code with an average of 22.5°. This is colder than most places in Washington.

In the 99357 zip code, there are 121.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In the 99357 zip code, there are 1.9 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Washington.

Humidity is low in the 99357 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.

December is the wettest month in the 99357 zip code with 1.3 inches of rain, and the driest month is August with 0.2 inches. The wettest season is Spring with 37% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 8.1 inches in the 99357 zip code means that it is one of the driest places in Washington.

November is the rainiest month in the 99357 zip code with 7.0 days of rain, and August is the driest month with only 1.5 rainy days. There are 51.2 rainy days annually in the 99357 zip code, which is one of the least rainy places in Washington. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 17.9 inches in the 99357 zip code means that it is snowier than most places in Washington. December is the snowiest month in the 99357 zip code with 6.9 inches of snow, and 5 months of the year have significant snowfall.

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