Lila Shelba

Weather In December 07 2024 Portland Oregon. The weather in portland in december is very cold with temperatures between 33°f and 44°f, warm clothes are a must. This is the coldest, cloudiest, rainiest and snowiest month of the year.

In general, the average temperature in oregon at the beginning of december is 53 °f. Average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and uv index.