Corvallis experiences mild winters, with temperatures ranging from freezing to just above 15°C in January and December. As spring approaches, temperatures rise steadily, reaching averages of around 10-12°C by April and May. Summer brings warmer days, with highs often exceeding 30°C in June and July, but still experiencing cool nights. Autumn sees a gradual cooling trend, with temperatures dropping back into the single digits by November. By December, temperatures have plummeted to near-freezing again, marking the start of another mild winter.