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Climate in Oregon

Oregon State has a diverse climate, ranging from mild, temperate weather along the coast to colder, harsher climates in the mountainous regions. The coastal regions are generally mild and humid with little temperature variation between seasons. Further inland, temperatures become more extreme with hot summers and cold winters. Rainfall is fairly consistent throughout the year in Oregon State, although it is significantly higher towards the coast than inland. The Cascade Mountain Range serves as a barrier to much of the moisture from the Pacific Ocean which creates an east-west rainfall pattern in Oregon. Overall, Oregon is known for its wet winters and drier summers which make it an ideal place for outdoor activities year-round.

Oregon, Oregon gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Oregon averages 13 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 175 sunny days per year in Oregon. The US average is 205 sunny days.

Oregon gets some kind of precipitation, on average, 134 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 82 degrees
Winter Low: the January low is 31
Rain: averages 41 inches of rain a year
Snow: averages 13 inches of snow a year


Oregon's annual BestPlaces Comfort Index of 7.2 (10=best) indicates it is more comfortable than most states in the United States.

9 / 5.3

Summer   /   Winter
July, August and September are the most pleasant months in the state of Oregon, while December and January are the least comfortable months.

Climate Averages
  Oregon, OregonUnited States
  40.8 in.38.1 in.
  13.2 in.27.8 in.
  133.5 days106.2 days
  175 days205 days
  2578 ft.2443 ft.


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 Oregon with an average high temperature of 81.9°, which ranks it as cooler than most states. In Oregon, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oregon are September, July and August.

Oregon has 18.1 days annually when the high temperature is over 90°, which is about average compared to other states in the U.S.

December has the coldest nighttime temperatures for Oregon with an average of 30.2°. This is warmer than most of the U.S. states.

Oregon has 80.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most states in the U.S.

Oregon averages 1.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other states in the U.S.

Humidity is low in the state of Oregon, 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 Oregon with 6.6 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 42% of yearly precipitation and 7% occurs in Autumn, which is the driest season. Oregon's average annual rainfall of 40.8 inches indicates that it is about average compared to other states in the United States.

November is the rainiest month in Oregon with 16.5 days of rain, and August is the driest month with only 3.4 rainy days. Oregon's annual average of 133.5 days with measurable rain is rainier than most states in the United States. 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.

Oregon's average annual snowfall of 13.2 inches indicates that it is one of the least snowy states in the United States. December is the snowiest month in Oregon with 3.9 inches of snow, and 6 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Oregon    65 Reviews
    Great for show. - 11/28/2022
    Honestly it's not as bad as people say. I moved out of state, but that's only because Oregon was the only place I knew. I don't regret moving but Oregon as a whole is a... Read More

    Start Your Review of Oregon

    Beautiful state mismanaged into something ugly - 4/15/2021
    I have lived here for most of my life, throughout the north and southern cities. If I were rating Oregon from ten years ago, it would be 5 stars for the beauty and... Read More

    **BEFORE YOU MOVE HERE: **----FROM A RESIDENT. - 7/6/2019
    Please make sure you have a job lined up. I'm meeting a lot of people who are having to move back to other states or are really struggling because most places don't pay... Read More

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