London Weather Forecast 20 Days 2025. London experiences heavy rainfall in january, with over 20 rainy days and an average total precipitation 61.1 mm. Up to 90 days of daily highs, lows, and precipitation chances.
Weather.com brings you the most accurate monthly weather forecast for london, england with average/record and high/low temperatures, precipitation and more. 8 days [p] next 48 hrs [p] 14 days >30 days;