Troutdale (OR) Climate by Month
The climate in Troutdale is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It is also known for its large amounts of rain/snowfall.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
In Troutdale, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a comfortable 28°C in August to a chilly 7°C in the coolest month, December. Nights are cooler, with temperatures generally dropping to 2°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Troutdale experiences significant rain/snowfall throughout the year, averaging 1336 mm of precipitation annually. The climate in Troutdale shows significant variation throughout the year. Expect heavy rainfall in December, with an average of 215 mm of precipitation over 23 rainy days. In contrast, August offers drier and sunnier days, with around 14 mm of rainfall over 5 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, Troutdale serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.1 hours of sunshine daily, and embrace the darker days in December, offering only 2.1 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Troutdale.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Troutdale ranges from 2°C in September to 4°C in January.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Troutdale in the United States of America
During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in January, March, November and December.
Yes, the months of July and August are very dry.
August has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is December with an average maximum temperature of 7°C.
December tops the wettest month list with 215 mm of rainfall.
August is the driest month with 14 mm of precipitation.
July is the sunniest month with an average of 332 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
