Leavenworth, Washington, is known for its festive spirit and beloved Christmas season. Each year, the city transforms into a winter wonderland with streets adorned in twinkling lights and decorations. While the exact timing of the decorations may vary, the Christmas decorations typically start going up in late November or early December. The city's unique Bavarian theme adds a charming and festive atmosphere, making it a popular destination for holiday celebrations and a must-visit for Christmas enthusiasts.