Tualatin, Oregon 

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Climate in Tualatin, Oregon

Tualatin, Oregon gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Tualatin 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 Tualatin. The US average is 205 sunny days.

Tualatin 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 81 degrees
Winter Low: the January low is 36
Rain: averages 42 inches of rain a year
Snow: averages 2 inches of snow a year


BESTPLACES COMFORT INDEX

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

9.3 / 5.6

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

Climate Averages
  Tualatin, OregonUnited States
  41.6 in.38.1 in.
  1.5 in.27.8 in.
  147.2 days106.2 days
  141 days205 days
  81.0°85.8°
  35.5°21.7°
  7.57
  34.3
  125 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 Tualatin with an average high temperature of 81.6°, which ranks it as cooler than most places in Oregon. In Tualatin, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tualatin are September, July and August.


In Tualatin, there are 13.8 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 Tualatin with an average of 34.2°. This is warmer than most places in Oregon.


In Tualatin, there are 38.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.


In Tualatin, 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 Tualatin 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 Tualatin with 6.7 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. The annual rainfall of 41.6 inches in Tualatin means that it is about average compared to other places in Oregon.


November is the rainiest month in Tualatin with 18.8 days of rain, and August is the driest month with only 3.4 rainy days. There are 147.2 rainy days annually in Tualatin, 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 Tualatin means that it is less snowy than most places in Oregon. December is the snowiest month in Tualatin 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 Tualatin    1 Reviews
    Tualatin Great Place for Kids - 7/23/2006
    I moved to Tualatin from Tigard several years ago and it was the BEST decision for my family. We found a great house for less money, walking distance to a new park right... Read More

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