Wilsonville, Oregon 

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Climate in Wilsonville, Oregon

Wilsonville, Oregon gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 141 sunny days per year in Wilsonville. The US average is 205 sunny days.

Wilsonville gets some kind of precipitation, on average, 147 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 36
Rain: averages 43 inches of rain a year
Snow: averages 2 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Wilsonville is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

9.4 / 5.6

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

Climate Averages
  Wilsonville, OregonUnited States
  42.8 in.38.1 in.
  1.5 in.27.8 in.
  147.3 days106.2 days
  141 days205 days
  81.7°85.8°
  36.1°21.7°
  7.57
  2.84.3
  151 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.


August is the hottest month for Wilsonville with an average high temperature of 82.3°, which ranks it as about average compared to other places in Oregon. In Wilsonville, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wilsonville are September, July and June.


In Wilsonville, there are 15.0 days annually when the high temperature is over 90°, which is about average compared to other places in Oregon.


December has the coldest nighttime temperatures for Wilsonville with an average of 34.7°. This is warmer than most places in Oregon.


In Wilsonville, there are 33.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.


In Wilsonville, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oregon.


Humidity in Wilsonville is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.


December is the wettest month in Wilsonville with 6.8 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.8 inches in Wilsonville means that it is about average compared to other places in Oregon.


November is the rainiest month in Wilsonville with 18.8 days of rain, and August is the driest month with only 3.4 rainy days. There are 147.3 rainy days annually in Wilsonville, which is about average compared to other places in Oregon. 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.


An annual snowfall of 1.5 inches in Wilsonville means that it is less snowy than most places in Oregon. December is the snowiest month in Wilsonville with 0.5 inches of snow, and 2 months of the year have significant snowfall.





  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Wilsonville    5 Reviews
    Wilsonville,OR - 1/9/2018
    It has Oregon Willamette Valley weather which is about 6 good months, 3-4 dark wet and cool months, and 3 unpredictable months. Comparing price of living to... Read More

    Start Your Review of Wilsonville


    A Great Place to Live - 6/29/2014
    My wife and I really like Wilsonville because it is close to Portland, however it does not have the hustle and bustle that Portland does. It is more slow paced, and... Read More

    Let's get the facts straight ;) - 10/7/2013
    Hi Jim "horrible climate"... I invite you to visit Wilsonville again because I would bet money that your take on this little hidden gem would be very different than it... Read More


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