Troutdale, OR Climate


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United States / Oregon / Portland-Vancouver-Hillsboro Metro Area / Multnomah County / Troutdale / Zip Codes
Troutdale, OR experiences a mild climate with warm summers and cool winters. The average annual temperature is about 51°F and the average low temperature in January is 37°F while the average high temperature in July is 78°F. Average rainfall for Troutdale is about 40 inches per year and snowfall averages around 9 inches per season. This city experiences approximately 200 days of sunshine per year, making it a great place to enjoy outdoor activities all year round.

Troutdale, Oregon gets 58 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Troutdale averages 4 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 145 sunny days per year in Troutdale. The US average is 205 sunny days.

Troutdale gets some kind of precipitation, on average, 164 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 81 degrees
Winter Low: the January low is 33
Rain: averages 58 inches of rain a year
Snow: averages 4 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Troutdale is 7.2 (10=best), which means it is about average compared to other places in Oregon.

9.2 Summer - 5.2 Winter
July, August and September are the most pleasant months in Troutdale, while December and January are the least comfortable months.

  ClimateTroutdale, OregonUnited States
  57.6 in.38.1 in.
  3.8 in.27.8 in.
  163.9 days106.2 days
  145 days205 days
  80.6°85.8°
  33.2°21.7°
  7.27
  34.3
  128 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 Troutdale with an average high temperature of 81.2°, which ranks it as cooler than most places in Oregon. In Troutdale, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Troutdale are September, July and August.
In Troutdale, there are 13.2 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.
December has the coldest nighttime temperatures for Troutdale with an average of 32.6°. This is about average compared to other places in Oregon.
In Troutdale, there are 55.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oregon.
In Troutdale, 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 Troutdale 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.
November is the wettest month in Troutdale with 9.0 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 39% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 57.6 inches in Troutdale means that it is wetter than most places in Oregon.
November is the rainiest month in Troutdale with 19.5 days of rain, and August is the driest month with only 4.0 rainy days. There are 163.9 rainy days annually in Troutdale, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 11% chance of a rainy day.
An annual snowfall of 3.8 inches in Troutdale means that it is about average compared to other places in Oregon. January is the snowiest month in Troutdale with 1.3 inches of snow, and 3 months of the year have significant snowfall.
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Nathan · Troutdale, OR
Windy Rampage
Over 3 years ago

Troutdale is full of blue collar folks, contractors working in Portland. The housing is overpriced due to Multnomah County, but the city is safer than the crime  More

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Liz  · Troutdale, OR
The Windy City
Over 10 years ago

Troutdale is a great place to live if you have to work in or near Portland. It is small with friendly people and the crime rate isn't as bad as other places close in.   More

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