December in Geneva, Switzerland, typically experiences a cold, often overcast climate. Average temperatures hover around freezing, ranging from a low of -1C (30F) to a high of 5C (41F). Precipitation is common, with a mix of rain and snow expected throughout the month. Lake Geneva’s moderating influence can lessen temperature extremes but also contribute to fog. Days are short, with limited sunlight hours.
Understanding the prevalent meteorological conditions during this period is crucial for visitors and residents alike. Proper clothing, including warm layers, waterproof outerwear, and sturdy footwear, is essential. Travel plans should account for potential disruptions due to inclement weather, particularly for air and rail travel. The city’s festive atmosphere, with its Christmas markets and seasonal events, offers a unique charm despite the chill. This period also provides opportunities for winter sports enthusiasts to enjoy nearby alpine regions.