Zip 99139 (Ione, WA) Climate

Ione, WA has a mild climate throughout the year. The area typically has warm summers and cool winters with light snowfall. Ione is located in a region where temperatures rarely exceed 90 degrees Fahrenheit in the summer or drop below 20 degrees in the winter. Rainfall is fairly consistent throughout the year, but it does tend to increase during the winter months. Overall, Ione offers a pleasant climate with an average of 300 days of sunshine each year.

Ione (zip 99139), Washington gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ione (zip 99139) averages 50 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 174 sunny days per year in Ione (zip 99139). The US average is 205 sunny days.

Ione (zip 99139) gets some kind of precipitation, on average, 122 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 85 degrees
Winter Low: the January low is 22
Rain: averages 24 inches of rain a year
Snow: averages 50 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 99139 zip code is 6.6 (10=best), which means it is one of the least comfortable places in Washington.

8.7 Summer - 3.9 Winter

September, July and June are the most pleasant months in the 99139 zip code, while December and January are the least comfortable months.

Climate	Ione, Washington	United States
	Unlock	38.1 in.
	50.4 in.	Unlock
	Unlock	106.2 days
	174 days	Unlock
	85.4°	85.8°
	Unlock	21.7°
	6.6	Unlock
	Unlock	4.3
	2027 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 99139 zip code with an average high temperature of 86.1°, which ranks it as warmer than most places in Washington. In the 99139 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 99139 zip code are June, September and July.

In the 99139 zip code, there are 28.0 days annually when the high temperature is over 90°, which is hotter than most places in Washington.

December has the coldest nighttime temperatures for the 99139 zip code with an average of 21.4°. This is colder than most places in Washington.

In the 99139 zip code, there are 138.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Washington.

In the 99139 zip code, there are 3.5 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Washington.

Humidity is low in the 99139 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 99139 zip code with 2.9 inches of rain, and the driest month is August with 1.1 inches. The wettest season is Spring with 30% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 23.7 inches in the 99139 zip code means that it is drier than most places in Washington.

November is the rainiest month in the 99139 zip code with 13.7 days of rain, and August is the driest month with only 5.4 rainy days. There are 122.0 rainy days annually in the 99139 zip code, which is less rainy than most places in Washington. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 19% chance of a rainy day.

An annual snowfall of 50.4 inches in the 99139 zip code means that it is one of the snowiest places in Washington. December is the snowiest month in the 99139 zip code with 19.5 inches of snow, and 5 months of the year have significant snowfall.

Reviews for Ione

See all ()

Write a Review

Start Your Review of Ione

Jobs

The premier source for comprehensive city data for over 30 years.