Zip 97882 (Umatilla, OR) Climate

Umatilla, OR has a semi-arid climate due to its location in the rain shadow of the Cascade Mountains. Summers in Umatilla are typically hot and dry, with temperatures often reaching over 90°F during the day. Winters are usually cool and dry, with temperatures rarely dipping below freezing. The area receives very little rainfall, with an average of less than 10 inches per year.

Umatilla (zip 97882), Oregon gets 9 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Umatilla (zip 97882) averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 192 sunny days per year in Umatilla (zip 97882). The US average is 205 sunny days.

Umatilla (zip 97882) gets some kind of precipitation, on average, 81 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 88 degrees
Winter Low: the January low is 29
Rain: averages 9 inches of rain a year
Snow: averages 2 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 97882 zip code is 7.6 (10=best), which means it is one of the most pleasant places in Oregon.

9.1 Summer - 5.5 Winter

June, September and August are the most pleasant months in the 97882 zip code, while January and December are the least comfortable months.

Climate	Umatilla, Oregon	United States
	9.0 in.	38.1 in.
	1.9 in.	27.8 in.
	81.3 days	106.2 days
	192 days	205 days
	88.3°	85.8°
	28.7°	21.7°
	7.6	7
	3.2	4.3
	402 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.

July is the hottest month for the 97882 zip code with an average high temperature of 88.3°, which ranks it as warmer than most places in Oregon. In the 97882 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 97882 zip code are September, June and May.

In the 97882 zip code, there are 30.3 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

December has the coldest nighttime temperatures for the 97882 zip code with an average of 28.2°. This is colder than most places in Oregon.

In the 97882 zip code, there are 83.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In the 97882 zip code, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

Humidity is low in the 97882 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 97882 zip code with 1.3 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 36% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 9.0 inches in the 97882 zip code means that it is one of the driest places in Oregon.

January is the rainiest month in the 97882 zip code with 11.2 days of rain, and July is the driest month with only 2.3 rainy days. There are 81.3 rainy days annually in the 97882 zip code, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 37% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 1.9 inches in the 97882 zip code means that it is less snowy than most places in Oregon. December is the snowiest month in the 97882 zip code with 0.6 inches of snow, and 3 months of the year have significant snowfall.