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.

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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

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BESTPLACES COMFORT INDEX

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

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

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.

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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.

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

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

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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.

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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.

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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.

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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.

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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.

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