The best times to visit Tualatin for ideal weather are
May 14th to October 7th
Tualatin Travel Guide
Other Tualatin Travel Info
Weather in Tualatin
Average temperatures in Tualatin vary greatly. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 32nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Tualatin, the hottest months are July, August, and then September. See average monthly temperatures below. The warmest time of year is generally mid August where highs are regularly around 87.2°F (30.7°C) with temperatures rarely dropping below 56.7°F (13.7°C) at night.
Tualatin Temperatures (Fahrenheit)
Tualatin Temperatures (Celsius)
Tualatin Perceived Temperature (F)
Tualatin Perceived Temperature (C)
Average Tualatin Temperatures by Month
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Tualatin are July, August, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early August. For example, on the week of July 30th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid March with an average of 4 days of significant precipitation the week of March 12th.
When can you find snow in Tualatin? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Tualatin.
Snow on the Ground
The graph below shows the average snow on the ground in Tualatin (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Tualatin has some extremely humid months, with other moderately humid months on the other side of the year. The least humid month is July (49.7% relative humidity), and the most humid month is December (81.3%).
Wind in Tualatin is usually calm. The windiest month is December, followed by March and February. December’s average wind speed of around 4.9 knots (5.6 MPH or 9 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid March where average top sustained speeds reach 12.4 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Tualatin.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||4.2||Light breeze||10||Gentle breeze|
|Feb||4.7||Light breeze||10.8||Gentle breeze|
|Mar||4.8||Light breeze||11.3||Gentle breeze|
|Apr||4.4||Light breeze||10.7||Gentle breeze|
|May||3.8||Barely noticeable||9.4||Gentle breeze|
|Jun||3.8||Barely noticeable||9||Gentle breeze|
|Jul||3.9||Barely noticeable||9||Gentle breeze|
|Aug||3.7||Barely noticeable||9||Gentle breeze|
|Sep||3.6||Barely noticeable||9||Gentle breeze|
|Oct||3.5||Barely noticeable||9.3||Gentle breeze|
|Nov||4.4||Light breeze||10.5||Gentle breeze|
|Dec||4.9||Light breeze||11.2||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Tualatin?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Tualatin, OR, US is August, followed by July and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Tualatin in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Tualatin Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 73.5°F (23.1°C) and 53.1°F (11.7°C) with warmer temperatures in the later months. Rain is very common with 8 to 13 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 1 to 5 days of precipitation per month. June – August is the busiest season for tourism in Tualatin, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 82.8°F (28.2°C) and 49.5°F (9.7°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 11 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is too cold this time of year in Tualatin to be enjoyable for warm weather travelers. The average high during this season is between 54.1°F (12.3°C) and 44.8°F (7.1°C). On average, it rains or snows a great amount: 10 to 13 times per month. These times of year are fairly slow with tourists.