December 2024 Weather Forecast London. Weather.com brings you the most accurate monthly weather forecast for london, england with average/record and high/low temperatures, precipitation and more. December in london is the windiest month of the year.

Weather ☀ ⛅ london ☀ ⛅ december ☀ ⛅ information on temperature, sunshine hours, water temperature & rainfall in december for london. December in london is the windiest month of the year.