Gresham, OR Weather & Climate Normals
Gresham's real weather, in one number
Gresham, OR scores 61/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 6 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Gresham's hottest and coldest months
Gresham's hottest month is Aug, averaging 70°F; its coldest is Dec, averaging 42°F, a 28°F swing across the year, a middling gap by national standards.
Gresham's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 47°F | 37°F | 5.01in |
| Feb | 51°F | 38°F | 3.71in |
| Mar | 57°F | 40°F | 4.41in |
| Apr | 62°F | 43°F | 3.58in |
| May | 69°F | 49°F | 2.91in |
| Jun | 74°F | 53°F | 2.11in |
| Jul | 82°F | 57°F | 0.55in |
| Aug | 82°F | 57°F | 0.63in |
| Sep | 76°F | 52°F | 1.75in |
| Oct | 64°F | 46°F | 4.02in |
| Nov | 53°F | 42°F | 5.83in |
| Dec | 46°F | 37°F | 6.15in |
May, Jun, Jul, Aug, Sep, and Oct are the best time to see Gresham at its mildest; the rest of the year, plan around Dec's cold.
Rain and snow in Gresham
Over a typical year, Gresham sees about 40.66in of precipitation a year across roughly 159 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Gresham ranks
Gresham ranks 464 of 4876 US cities in this dataset for comfort score, and 1 of 80 within OR. About 111,507 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Portland Troutdale Ap, OR US, 3.7 miles from Gresham, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is