Eugene's winters are cool and occasionally chilly, with temperatures often dipping below freezing in January and December. As spring arrives in March, temperatures gradually warm up, with April bringing mild days and May marking the beginning of warmer summers. June is typically hot, with temperatures frequently reaching above 30C, while July and August remain warm but slightly cooler. Autumn brings a return to milder weather, with September being relatively cool before October's temperature fluctuations resume. By November and December, the cycle repeats, with chilly mornings and occasional frosts returning to Eugene.