Umatilla, OR Climate


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United States / Oregon / Hermiston-Pendleton Metro Area / Umatilla County / Umatilla / Zip Codes
Umatilla, OR has a semi-arid climate with hot summers and mild winters. Average summer temperatures reach up to 80°F and lows of the winter months rarely drop below freezing. Precipitation is scattered throughout the year with winter months receiving most of the rainfall. Umatilla is known for its sunny days with an average of 300 sunny days throughout the year. The area also sees very little snowfall each year, making it a great place for outdoor activities all year round.

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

Umatilla averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 195 sunny days per year in Umatilla. The US average is 205 sunny days.

Umatilla 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 Umatilla 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 Umatilla, while January and December are the least comfortable months.

  ClimateUmatilla, OregonUnited States
  9.0 in.38.1 in.
  1.9 in.27.8 in.
  81.3 days106.2 days
  195 days205 days
  88.3°85.8°
  28.7°21.7°
  7.67
  3.24.3
  322 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 Umatilla with an average high temperature of 88.3°, which ranks it as warmer than most places in Oregon. In Umatilla, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Umatilla are September, June and May.
In Umatilla, 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 Umatilla with an average of 28.2°. This is colder than most places in Oregon.
In Umatilla, there are 83.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.
In Umatilla, 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 Umatilla, 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 Umatilla 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 Umatilla means that it is one of the driest places in Oregon.
January is the rainiest month in Umatilla 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 Umatilla, 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 Umatilla means that it is less snowy than most places in Oregon. December is the snowiest month in Umatilla with 0.6 inches of snow, and 3 months of the year have significant snowfall.
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Kimberlee · Umatilla, OR
You will be targeted by laws enforcement and your
Over 9 years ago

I first moved there in. 1994 and I really liked it. After having my 6 child I moved in2003 but wanted to come back in2005 I have live in hell from then on the laws  More

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