Forecast For London Ontario 2025 Canada. On the last day of the month, in london, sunrise is at 5:48 am and sunset at 8:56 pm edt. ' toggle navigation snow chance.

Weather.com brings you the most accurate monthly weather forecast for london, ontario, canada with average/record and high/low temperatures, precipitation and more. Monthly weather forecast ⚡ in london, ontario, canada for january, february 2025.