Overview

• Statistical estimates put Frankfurt, Bremen and Cologne at roughly 5–15% chance of a snow cover during the holidays, with Rostock near 20% and Munich and Passau around 30–40%.
• Elevation remains the strongest predictor, with areas above about 800–1000 meters in the Alps near certain to be snow-covered, including sites like Zugspitze and the Feldberg.
• Long-term records show white Christmases have become rarer in many lowland regions since the 1960s–1980s as milder winter spells increasingly limit lasting snow.
• Experts caution that a precise Christmas forecast is only possible a few days beforehand, and that signals such as an emerging La Niña offer limited, probabilistic guidance.
• A transitioning ex‑Hurricane Humberto could evolve into an extratropical storm and funnel warm air into Germany in early October, according to model runs, underscoring near-term volatility.