Troutdale, OR Weather & Climate Normals
What a normal year in Troutdale actually looks like
On the 30-year record NOAA keeps for Troutdale, OR, the comfort score comes out to 55/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Troutdale's weather actually swings
Average temperatures in Troutdale run from 40°F in Jan up to 69°F in Aug, a 28.7°F seasonal swing, a middling gap by national standards.
Troutdale, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 44°F | 35°F | 6.31in |
| Feb | 49°F | 37°F | 4.69in |
| Mar | 55°F | 39°F | 5.07in |
| Apr | 61°F | 42°F | 4.24in |
| May | 68°F | 48°F | 3.31in |
| Jun | 73°F | 52°F | 2.4in |
| Jul | 81°F | 56°F | 0.64in |
| Aug | 81°F | 56°F | 0.7in |
| Sep | 75°F | 51°F | 1.86in |
| Oct | 63°F | 46°F | 4.59in |
| Nov | 51°F | 40°F | 7.47in |
| Dec | 45°F | 36°F | 7.1in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Troutdale's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Troutdale actually gets
Troutdale averages 48.38in of precipitation a year across roughly 0 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Troutdale against the rest of the country
Out of 4876 cities scored here, Troutdale comes in at 855; within OR alone it ranks 42 of 80. Population is about 15,749.
Checking the actual forecast
These figures come from Troutdale, OR US, the NOAA station 1.0 miles from Troutdale, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is